Arectangle is 8 feet long. it’s width is represented by “seven plus x feet.” which expression represents the area, in square feet, of the rectangle?

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?