Answer:
Step-by-step explanation:
Step 1: Simplify
(66 2/3 miles per hour)
Step 2: Transform hours into minutes by dividing by 60
(1 1/9 miles per minute)
Step 3: Transform miles into feet by multiplying by 5280
or (feet per minute)
x^2 - 9x + 20
(x - 4)(x - 5) (have to do the opposite for it to be positive)
FOIL method: X x X = x^2
-5 x X = -5x
-4 x X = -4x
x^2 - 5x - 4x + 20
-5 - 4 = -9 so...
x^2 - 9x +20 is the answer
n= 1
-3n + 15 =12
-15. -15
-3n= - 3
÷-3 ÷-3