(0.25)2
0.0625
3x + 2y - x + y =
2x + 3y
2x + 3(x - 4) =
5x - 12
(-4) - (-5)(-2) =
-14
Evaluate 2x - 3y + 8 when x = 3 and y = -2
20
3/4 x 1 3/5 x 10 =
12
6x2y3
---------
3xy
2y2
----
x3
6x2 - 8x =
2x(3x - 4)
Josh drove 140 miles in 2 hr 30 min. What was his average speed?
56 mph
The store owner buys clothes at wholesale and adds 80% to the wholesale price to set the retail price. The retail price of a dress shirt is $36.00. What is the wholesale price?
$20.00
What is the lateral surface area of a rectangular prism with a length of 10 cm, width of 5 cm, and a height of 20 cm?
600 cm2
Lauryn missed 4 of the 25 questions but answered the rest correctly. What percent of the questions did Lauryn answer correctly?
84%
(2 x 10-3)(6 x 10-4)
1.2 x 10-6
Solve for x.
2/3x + 3/4 = 7/8
x = 3/16
A flagpole casts a shadow 36 ft long while a yard stick casts a shadow 48 in. long. About how tall is the flagpole?
27 ft
Solve this proportion:
1.8 4
----- = ----
4.5 x
x = 10
The diameter of a circle is 12 in. What is the area of a 120 degree sector? Leave in terms of pi.
12 pi in.2
What is the perimeter of a rectangle with side lengths of 2x - 1 and x?
6x - 2
Paul rode the first 60 miles of the stage at 20 mph and the second 60 miles at 30 mph. What was his average speed for the 120-mile ride?
24 mph
Which two consecutive integers does the square root of 50 fall between?
7 and 8
If a $10,000 investment grows 10% annually, what will be its value after three years?
$13,310
One blue marble, two yellow marbles, and three red marbles are in a bag. Two marbles are drawn from the bag without replacement. What is the probability that both marbles are red?
1/5
The varsity tennis team won 60% of its game and lost the rest. Its won-lost ratio is...
3/2
33 1/3% of 3/5 of $199 is about...
$40