You are rolling a pair of dice. Find the probabilities of rolling a sum that is greater than 7. Answer as a reduced fraction or decimal rounded to three decimal places.

Determine whether the graphs of y=8x+5 and -y=8x-5 are parallel, perpendicular, coincident, or none of these. a. coincident b. parallel c. perpendicular d. none of these

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

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?