Answer:
the answers for those are number 4 is 150 and 5 is 16%
Step-by-step explanation:
number 4 500 x 30= 15,000
15,000 ÷ 100= 150
number 5 80 x 100=8,000
8,000÷ 500= 16 so 16%

The answer is the third option, -7.
Hope this helps.
First you subtract the 30 from 300 and than 270/45 and your answer will be A. 6
Answer:
18 centimeters
Step-by-step explanation:
The formula for finding the perimeter is side + base+side . There for you do 6+6+6
that gives you 18