Consider the expressions 12+4y and 4(y+3). Part A

What is the value of each expression when y=5?

When y=5, 12+4y=
.

When y=5, 4(y+3)=
.

Question 2
Part B

Explain why the expressions 12+4y and 4(y+3) are equivalent.

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce