A launched rocket has an altitude, in meter, given by the polynomials h + vt - 4.9t^2, where h is the height, in[..]

Madeleine has red, blue, and green marbles. There are 28 marbles in all. 8 of them are blue and there are 3 times as[..]

The radioactive element americium has a half-life of 432 years. Suppose we start with a 20-g mass of americium How[..]

joe eats chocolates daily for a snack. on monday morning his bag cantains 5 chocolates, 3 with red wrappers and 2[..]

batman and robin each order a pizza. the circumference of batmans pizza is percent greater than the circumference of[..]

Yesterday your store earned $797.30 just from the sale of cookies. Write and solve an equation that represents how[..]

If the area of a rectangle is x^2+13x+42 and the length is x+6, what is the width?

A three digit number consists of 7, 8 and one more number. When these digits are reversed and subtracted from the[..]

Ryan stewart sells chocolate on the internet. His monthly profit, p, in dollars, can be estimated by p= 15n-300,[..]

andy found $17.55 in nickels and dimes under his couch cushions. He had hour times as many dimes as nickels. How[..]