The graph below represents the height h in feet of a ball t seconds after it's thrown. The path of the ball is represented by the equation h = -t^2 + 8t. What is the maximum height of the ball?

What interval is the ball increasing in its height?

When does the ball hit the ground?

The triangles are similar. what is the value of x? show your work.

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

If m∠abc = 70°, what is m∠abd? justify your reasoning.  using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°.  using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°.  using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality.  using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.