Four whole numbers have been rounded to the nearest 10. The sum of the 4 rounded numbers 90. What is the maximum sum of the 4 original numbers ?

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 of the following is the inverse of y = 3∧x y = 1/3∧x y = ㏒3x y = (1/3) ∧x y = ㏒ 1/3∧x

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0