Which of the following is not a solution of the inequality g < 1 1/2

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

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

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?