Jack spends 1 2/5 as long on his homework as Jill. Last week, Jill spent 6 3/4 hours doing homework. How long did Jack spend doing homework?

Which expression is equal to sin 75°? sin 135° cos 60° - cos 135° sin 60° cos 135° cos 60° + sin 135° sin 60° sin 135° cos 60° + cos 135° sin 60° cos 135° cos 60° - cos 135° cos 60°?

Moche started a summer business of mowing lawns. However, before he could mow lawns, he needed to purchase supplies (a lawnmower among other needs). Moche spent $395 gathering necessary materials. He makes on average $60 per lawn, mowed.

The inverse of f (x) is a function

A rectangle has dimensions of 12 cm long and 10 cm wide what is the area of the rectangle

A fair die is tossed six times. Find the probability of obtaining exactly two fives [place your answer in decimal form]

Select the correct numeral form of this number written in scientific notation. 5.0 * 10^10 0.000 000 000 5 5,000,000,000 50,000,000,000 500,000,000,000

John has a bag of marbles that contains 12 red marbles 20 green and 17 blue. if john pulls one marble what is the probability that it will be a purple marble

Solve for x: 2 over 3 (x - 4) = 2x. 2 - 2 - 8 - 4

kyle mom made a pone and a cake. she cut the pone into 6 equal parts and the cake into 8 equal parts. his family ate 3/4 of the cake. if his family ate more cake than pone. what fraction of the pone coulh have been eaten.

A Cashier at the local bank is expected to serve 12 customers every hour. In the past 15 minutes, he served 4 customers. Assuming the the cashier continues to work at the same rate, will he meet his goal? Explain