52 - 24 = 28
24 : 28 (fiction: nonfiction)
simplify
6 : 7
Answer:
b/2 + 8 = 86
b = 156
Step-by-step explanation:
Half the comics is b/2
b/2 + 8 = 86
Subtract 8 from both sides
b/2 = 78
multiply both sides by 2
b = 156
Step-by-step explanation:
multiple through by a common factor to eliminate the denominator
Answer:
y = - 5x² - 10x + 2
Step-by-step explanation:
y = - 5(x + 1)² + 7 ← expand (x + 1)² using FOIL
= - 5(x² + 2x + 1) + 7 ← distribute parenthesis by - 5
= - 5x² - 10x - 5 + 7 ← collect like terms
= -5x² - 10x + 2 ← in standard form