For question 9 the answer is option D.63cm

Which would get rounded up to 63cm^2
The perimeter is all sides length added together. You can make an equation:5+5+x+x where x is the length.
5+5=10 18-10=8 There is two sides so you do eight divided by two
The length is 4
Answer:
answer: $225
Step-by-step explanation:
500 dollars
45% off
you have to change the r5 into a decimal
(always us the discout go divide by 100)
45/100
.45
$500×.45=$225
The answer is 75%. of the probability.