The height y (in feet) of a ball thrown by a child is given by the equation y = - 9
distance (in feet) from the starting point. What is the maximum height of the ball?
x2 + 5x +3, where x is the horizontal
A)
-165.75 ft
B)
-84.75 ft
50.25 ft
D)
59.25 ft

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?