Identify the unit rate: $1,500 raised in 4 days. 11
Identify the unit rate: 4 busses for 80 students

6 pounds of bananas are $5.94.

What would be the cost for 10 pounds?

Write and solve a proportion to find the missing information.

1

Nina ran 2.5 miles in 20 minutes.

At the same pace, how long would it take her to run 6 miles?

Write and solve a proportion to find the missing information.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)