Ms. Rios washed 2/7
of her laundry. Her son washed
1/3
of it. Who washed most of the laundry? How much of the laundry still needs to be washed?

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?