15/40 x 100 = 37.5
equation for percent decrease is diiference/original x 100.
<span>Just do 11-2 to get 9 so your answer is x to the 9th power where 9 is the exponent. Remember if u have to divide two numbers (same base or same number) and they have different exponents just subtract the exponents (top exponent minus bottom exponent)</span>
Answer:
b
Step-by-step explanation:
-2x+4≥2x-8, 12≥4x, 3≥x, x≤3 so all values in the set satisfy the equality.
