The midpoint is: (-4.5,8.5)
Answer:
8x² + 8
Step-by-step explanation:
Given
(x² + 3)² - (x² - 1)² ← expand both factors using FOIL
= + 6x² + 9 - ( - 2x² + 1) ← distribute by - 1
= + 6x² + 9 - + 2x² - 1 ← collect like terms
= 8x² + 8
162/60 = 2.7 heartbeats per second
Answer:7.) C 8.) A
Step-by-step explanation:
I believe it’s 3.5 but I could totally be wrong I’m not much help at all