The function f (t) = - 5t 2 + 20t + 60 models the approximate height of an object

t seconds after it is launched. How many seconds does it take the object to hit the

ground?

What is the surface of a square pyramid if the base side is 6 and the height is 9

The volume of a cube is 8 cm'. find th length of one of its sides Find the volume of a cube whose length

4. An amusement park developed a program for local fifth grade students to study the relationship between angles and forces and motion of roller coasters. . The park created the program to serve up to 4,050 students. .

What is a value that does not change

The equation d = - 6t + 10 represents the distance d, in miles, Ralph walks from the library to his house in t hours. His sister, Joan, leaves the library right after Ralph. She rides her bicycle from the library to their house at a constant rate.

How do I simplify 9/243

How far does Gerry live from school

Percent sales tax: 7% price before tax: $250 price with tax:

Can you show the work to 156 divide by 11

Which expression is equivalent to a + (c + 7) ? 7 a c a minus (c + 7) (c + 7) minus a (a + c) + 7