Answer: p=9.7
Step-by-step explanation:
40p+ 10.5p=489.85
50.5p=489.85
9.7=p
Answer:
Reaches a maximum height of 235.00 feet in 3.75 seconds.
Step-by-step explanation:
The height of the boulder, h, in feet after t seconds is given by the function is given by :
.....(1)
For maximum height, put 
i.e.

Put t = 3.75 in equation (1). So,

So, the boulder's maximum height is 235 feets and it takes 3.75 s to reach to its maximum height.
Answer:
both have equal sides and equal Angel's
the angels In a rectangle 4 sides
the angles in a trapezoid is 4 sides