Ron is planning for the back-to-school rush at his store. last year he estimated that he would need 168 notebooks, but he sold 200 notebooks. what was the percent error of ron’s estimate?

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

In the geometric progression –3, 12, −48… what term is 3,072?

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?