Answer:
About 38.48ft
Step-by-step explanation:
A=

A=

A≈38.48
Answer:
c and d
Step-by-step explanation:
the x intercepts are the solutions
1) Point A will be at (-4,4)
2) I think an equilateral triangle can't be right triangle
10(-1c+7)-3c
(-10c+70)-3c
-13c+70 is your answer