Evaluate
x+y+z when x=3, y=2 ,z=1

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.