Solve the proportion

27 = x42
Question 16 options:

a)

6

b)

12

c)

12

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.