How do you simplify -2x[5x-(2x-7)]+6x[3x-(1+2x)]

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3