If 82 pages had between 7 and 9 errors, what was the approximate total number of pages in the book? A: 202 pages
B: 120 pages
C: 68 pages
D: 56 pages

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

The system of equations graphed below has how many solutions? y = 2x + 2

Equation for the calculation double 2 and then add 5