If a mean of 3,6,a,9 and 10 is 7 find the value of a

An equation where variables are used to represent known values—function notation true or false

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box