Mary has 6 shells. Her friend Tina has 3 times more than Mary. How many shells do the girls have together?

How does check make sure the solution to an equation is correct?

Six times the sum of a number and twelve is forty.

Lisa earns $8.10 an hour and work 40 hours Jamie earns $10.80 an hour Jamie would have to work how many hours to Eagle leases earnings over 40 hours?

32% as a fraction in lowest terms

You have 10 apples in a basket. 10 children come to you and each one of them ask for an apple. You want to give all the apples to each one of them, but still keep one inside the basket? How will you do it?

If you flip a coin and roll a 6-sided die, what is the probability that you will flip a heads and roll a 5?

Andrew will roll a number cube and flipping a coin for a probability experiment the faces of a number cube are labeled one through six the coin to land on heads or tails if Andrew Rosen number cube once in flips a coin ones write a list that

Let x be the total number of customers in a one-hour interval and y be the total number of female customers in the same interval. find the joint pmf of x and y.

An adult alligator may weigh 350 pounds. A newly hatched alligator weighs only 1/9 pound. The adult weighs how many times the hathling

A tailor needs 3 2/5 meters of cloth to make a poncho. How many meters does he need to make 15 ponchos of the same size?