Find the value of x in the proportion. check your answer.
35/x=7/13
x=?

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

What is the circumference of a circle with an area of 50.24 cm²?

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?