Expand. If necessary, combine like terms. (7x-1)^2=

The measure of an angle is 117°. what is the measure of a supplementary angle?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse