Choose the phrase that gives the meaning of the following expression 3x - 5a. the product of three and a number x less than fiveb. five less than the product of three and one number xc. five less than the sum of three and a number xd. five decreased by the product of three and x

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =