Write an algebraic expression for the sum of 3 coins and c coins ...

Lulpita wants to construct a triangle. she starts with these sides: 5cm and 20cm. what would be the length of the third side of her triangle?

Find the derivative of f at x. that is, find f ' (x). f (x) = 7x + 8; x = 5 a. 40 b. 8 c. 35 d. 7

Wyatt hiked 6 miles in 2 hours at the same rate what is the total number of miles Wyatt could hike in 9 hours

Find the volume of a cylinder 20cm 11cm

Payton cut out two shapes, as shown, that she will later put together to resemble a house. What is the total area of the two shapes?

If x is to be chosen at random from the set {1,2,3,4} and y is to be chosen at random from the set {5,6,7}, what is the probability that xy will be even?

What is the surface area of 20in 7in and 15in

Square root 102 to the nearest tenths

A manufacturer inspects 800 personal video players and finds that 796 of them have no defects. What is the experimental probability that a video player chosen at random has no defects? Express your answer as a percentage.

Dagne measures and finds that she can do a vertical jump that is 27.5% of her height. If Dagne is 48 inches tall, how high can she jump?