3) Summative grades are worth 60%, while Formative Grades are worth 40% of your final grade. You currently have 2 Summative grades and 5 Formative grades as follows: Summative: 85 and 70 Formative: 90, 80, 76, 64, 50 What is your current grade? (Round to the nearest tenth.)

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)