Answer:
1.02272727... mi per hr
Step-by-step explanation:
f(6) = 82
substitute x = 6 into f(x) and evaluate
f(6) = 2(6)² + 5 = 2(36) + 5 = 72 + 5(2) = 72 + 10 = 82
215 is the answer of the 2 triangles
46.8
Triangle B is isosceles and acute