For time t greater than or equal to 0, the height h of an object suspended from a spring is given by h)t)=16+7cos(πt/4). What is the average height of the object from t=0 to t=2?

Which solid has two triangular bases and three lateral faces, each in the shape of a rectangle? triangular prism triangular pyramid rectangular prism rectangular pyramid

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?