What are the Rules for Multiplying and Dividing Positive/Negative numbers?
Positive x or / Positive = Positive
Positive x or / Negative = Negative
Negative x or / Positive = Negative
Negative x or / Negative = Positive
Terri invested in stocks. She put $325 in the account. At the end of the month, there was a 7% decrease. How much is in the account now?
$302.25
(325 x 0.93)
SOLVE:
6x +1 = 103
x = 17
What is the constant of proportionality for a pound of seed if 10 pounds cost $17.50?
$1.75 per pound
Write an inequality to represent the sentence:
"The quotient of a number "x" and 7 is no more than 4"
x/7 is less than or equal to 4
Calculate the area of the circle. Round your answer to the nearest hundereth:
254.34 sq. inches
SIMPLIFY: 3x - 2y +5y - x - 4x +7 +(-7y)
-2x + 4y + 7
The lowest temperature ever recorded in NY was -52°F. The coldest temperature ever recorded in Antarctica was 83.8 degrees colder.
What is the coldest temperature
ever recorded in Antarctica?
-135.8 degrees F
Bob’s Burgers decided to increase the size of their large drink by 25%. If the large drink was originally 16 ounces, how many ounces is the new large size?
20 ounces
-11y - 36 = 63
y = -9
What must be true of a graph for it to be proportional?
The graph must be a straight line (have a constant rate) and pass through the origin (0,0)
Solve the Inequality and Graph its solutions:
−2x + 3 > −17
x < 10
(open circle on 10, arrow pointing to the left)
Calculate the volume of the prism:

V = 1,440 units cubed
Use the Distributive Property to write an equivalent expression:
-9(2w - 3)
-18w +27
John had $76.00. He gave Todd $421.34. John will receive $14.50 later in the evening. How much money will John have later that night?
76 + (-421.34) + 14.50 = -$330.84
If Julie bought her prom dress on sale at 15% off and paid $110.49 before tax, find the original price of her dress.
The dress was originally $129.99
(110.49/0.85)
John had $460 to attend piano lessons. Every week he paid $32 per lesson. After some weeks, he had $172 remaining.
Write and solve an equation to represent the number of lessons John attended.
EQUATION: 460-32x = 172
ANSWER: 9 lessons
Kelli has purchased a membership at the gym for the last four months. She has paid the same amount each month, and her total cost so far has been $100. What equation expresses the proprotional relationship of the cost and month?
y = 25x
For an online bookstore, customers qualify for free shipping if they spend at least $35 before taxes. Nancy has already selected one book with a price of $12, and she plans to purchase some paperback books that cost $8 each. Nancy would like to qualify for free shipping. Write an inequality to represent this situation, where n is the number of $8 books purchased.

b is greater than or equal to 2.875
Calculate the surface area of the prism:

Surface Area = 912 sq. units
Distribute and Combine Like Terms to Simplify:
5(3x + 6) - 8x + 12 - 2x
5x +42