The quotient of negative 1 and the product of a number and 21.

Alfred is practicing typing. the first time he tested himself, he could type 26 words per minute after practing for a week he could type 28 words per minute after two weeks he could type 30 words per minute based on the pattern predict how fast alfred will be able to type after four weeks of practice

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

On saturday a souvenir shop had 125 customers. sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?