What is the average rate of change of y=cos (2x) on the interval 0 pi/2?

3. Jack made 25 birdhouses. Jill made 49 birdhouses. They sold 63 birdhouses at their store. How many birdhouses do they have left?

A cheetah can run at a speed of 70 miles per hour (or 34.2 yards per second) for a distance of 200 yards. For how many seconds is the cheetah able to maintain this speed?

Carla has two lengths of ribbon. one ribbon is 2 feet long. the other ribbon is 30 inches long. which length of ribbon is longer? explain.

Find the width of a rectangular prism if the volume is 546cm3, the height is 7cm and the length is 13cm

2/9 of the people in a restaurant are adults. If there are 95 more children than adults, how many children are there in the Resturant?

Two cars leave town at the same time going the in opposite directions. one travels 44 mi/h and the other travels 55 mi/h. in how many hours will they be 297 miles apart?

Which of the following describes how to translate the graph y = |x| to obtain the graph of y = |x| - 4?

Write y=x^2+4x-5 in vertex form. Then identify the vertex.

Grover decides to swim downstream to search for new bones. He can swim 30 miles down stream in 3 hours. To return home swimming against the current, takes Grover 5 hours. What is Grover's swimming speed of the stream's current.

Gwen borrowed $20 from her mother to buy a scarf. Then, she went to her favorite department store and charged a pair of boots for $120 and boot socks for $12. Which absolute value statement describe's Gwen's total debt?