42 of the employees at carlos car repair wear contact lenses. what percent of the employees wear contact lenses?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

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

The bottom of a vase is a square. each side measury y+11 units. the square has a perimeter of 55 units what is the value of y?