For the first question you just need to add up all the sides. so first add all the x numbers and then add all the plain numbers.
a perimeter is the total length around the shape.
It's basically asking 75% of what number is 63 so x * 75% = 63
75% in decimal form is .75
divide 63 by .75 which is 84.
so 75% of 84 would be 63.
Answer:
its c
Step-by-step explanation:
15 x .06 = 0.9
Sales tax is 0.9 on a $15.00 item.