Robin used 1/4 of a pound of butter to make a cake. before she started, she had 7/8 of a pound of butter. how much butter did robin have when she was done baking? give your answers as a fraction of a pound.

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

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12