Find the measures of center for following. data frequency 70 - 74 2 75 - 79 0 80 - 84 2 85 - 89 6 90 - 94 8 95 - 99 10 100 - 104 12 105 - 109 20 110 - 114 15 mode = incorrect median = incorrect mean = incorrect (round to 4 decimal places)

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

What is the factored form of the following expressions? d^2 – 13d + 36

What is the total surface area of this square pyramid?