Question

Which expression is equivalent to 1/4(8-6x+12)?
a. 7/2x
b. -13/2
c. -6x+14
d. -3/2x+5
An airplane's altitude changed -378 feet over 7 minutes. What was the mean change of altitude in feet per minute? WORK PLEASE

Answer 1

¹/₄(8 - 6x + 12)
¹/₄(-6x + 8 + 12)
¹/₄(-6x + 20)
¹/₄(-6x) + ¹/₄(20)
-1¹/₂x + 5
The answer is D.

$\frac{-378\ feet}{7 \min} = -54\ feet\ per\ minute$