How many 3x3 squares are in a strip of squares that is 3 squares tall and 20 squares long is it a)20 b)19 c)18 d)17

Amber had 1/6 of a pie left after the bake sale. rihanna had 3/8 of a pie left. what fraction of a pie did they have altogether?

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

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2