In a swimming race, miho swam the first 50 m in 42 s. she swam the second 50 m in 40 s. what was miho's average speed during the race?

How to simplify bracket five x squared plus three x minus two bracket plus bracket three x minus two x plus five bracket

Why is the distance between (-3,-1) and (1,3)

What is the solution? x=? 2x+3=4x+2

Dayson is covering a package in the shape of a rectangular prism with wrapping paper. The package is 50 centimeters by 20 centimeters by 18 centimeters. He has 1 square meter of wrapping paper.

There are two spheres of different sizes. The large sphere has a radius 3 times the size of the small sphere. How many times larger is the volume of the large sphere compared to the volume of the small sphere? A. 81 B. 27 C. 9 D. 6 E. 3

Henry mixes 1 cup grape concentrate with 4 cups water to make his favorite drink. How much water will he need to mix if he uses 5 cups grape concentrate

A hot air balloon rises at a rate of 38 km/h and starts at the height of 60 km. Another balloon started from the ground and is rising at the rate of 50 km/h. At this rate what height will they be at when they are at the same height?

Factor sec^2x-secx+tan^2x

john is packing a box that is shaped like a cube and has an edge that is 25 centimeters long how much space is available in the box

A student has a container with a volume of 1.5 liters. She estimates the volume to be 2.1 liters. By what percent is the student's estimate off? (Round to the nearest percent as needed.)