Answer:
Step-by-step explanation:
A=1/2bh and do the math. multiply the base (b) by 1/2, then divide the area (A) by the product. the result of the value will be the height of your triangle
which answer dear......
28
b=(-10-a)/4
First factor out the common number:3
Then divide both sides by 3
Then simplify 30/3 to 10
Then subtract a to get your answer
C. f(x)=-2x^3-2x^2+12x
