Answer:
b^20
Step-by-step explanation:
when the exponents have one inside and the other outside, they are multiplied.
Answer:
-70 is the correct answer
Step-by-step explanation:
To add fractions, find the LCD and then combine
Answer:
Sally has $10.25 or 1,025 pennies
Step-by-step explanation:
Step-by-step explanation:
x^2 + 13x + 36 = (x+4)(x+9)
x = -4 or x = -9