1.5:4=9:(2y+5)

Solve for y

y = 9.5

Step-by-step explanation:

Express the ratios in fractional form, that is

= ( cross- multiply )

1.5(2y + 5) = 36 ( divide both sides by 1.5 )

2y + 5 = 24 ( subtract 5 from both sides )

2y = 19 ( divide both sides by 2 )

y = = 9.5

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.