.Joseph drove 130 miles in 2.5 hours. Which equation can be used to calculater, the average speed at which Joseph drove?
A . r=130-2.5
B. r=130/2.5
C.130=r/2.5
D.130=r+2.5

What expression is equivalent to 42x-56y

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

(01.03 mc) which of the following is a step in simplifying the expression x multiplied by y to the power of 2 over x to the power of negative 3 multiplied by y to the power of 3, the whole to the power of negative 4. select one: a. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 7 multiplied by y to the power of negative 1. b. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of 12 multiplied by y to the power of negative 12. c. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of negative 3 multiplied by y to the power of 3. d. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 3 multiplied by y to the power of 3.