Answer:
a. y = -x² + 2x - 8
b. y = 
c. y = x³+ 3
Step-by-step explanation:
39.58 and this is because the radius is half of the diameter so the diameter can be though of as 2r. The formula is C= 2pi r
Answer:
80 units³
Step-by-step explanation:
→ State the formula
Length × Width × Height
→ Substitute in the values
8 × 2 × 5
→ Simplify
80 units³
25 metres. Because 1/10th of a kilometre is a 100 metres. And four athletes divided by 100 metres is 25 metres.