Item 20the width of a rectangular room is 60% of its length. the length of the room is 10 feet. what is the area of the room?

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Determine which postulate or theorem can be used to prove that lmn =nmo