Algebraic Expressions
How many like terms are in the following algebraic expression?
12x2+2
zero
52-1
24
There are three yellow, six green, and seven blue books.
What is the ratio of blue books to books that are not blue?
7:9
Express the percent as a decimal:
6%
0.06
Simplify the expression.
3x+4+6x+12
9x + 16
92+33−102
8
Find the value of x:
2:6
48:x
x=144
What is 80% of 90?
72
Simplify the following expression: 2(4b+3)+6b
14b + 6
5⋅(9−4)2
125
Jackie's family buys 5 pizzas that each cost the same amount. In total, they pay $45.
Find the unit rates in dollars per pizza.
9/1 or 9:1
After eating dinner, Crystal asked for the check. The cost of dinner before tax was $12. If there is a 5% tax, how much did Crystal pay in tax?
$0.60
Evaluate the expression when a=−7,b=12, and c=−3.
a+2b−c
20
1/42(15−3)3=
108
The price of 6 cups of coffee is $11.88. Find the price of 4 cups of coffee.
$7.92
8% of what number is 6?
75
Evaluate for a=8, b=4/3 and c=4.
6bc−a/5
30.4
1/2(2+2⋅3)2−(22−40)2=
23
Which is the better value?
A. $2.50 for 1.5 lbs of tomatoes
B. $4.50 for 3.5 lbs of tomatoes
B
Ron's hair salon has 36 haircuts booked one day. They do 17 of the haircuts before lunch. What percent of the booked haircuts does the hair salon do before lunch that day?
Round your final answer to the nearest tenth.
47.2%