Darren wants to attend a college that costs $15,000 per year. His parents have enough money saved to pay for 45% of his costs for two years. How much money have Darren's parents saved for his college costs?

If employee A logged 120 hours of travel in four years and employee B logged hours of travel at a 20% higher rate, how many more hours did employee B have than employee a after 1.5 years?

For his phone service, Jim pays 9 monthly fee of $10 and he pays a additional $0.04 per minute of use. The least he has been charged in a month is $59.56. What are the possible numbers of minutes he has used his phone in a month?

A store is having a sale where winter clothes are 60% of the original price. a sweater is on sale fo $30. what is the original price of the sweater?

Convert 6cis5π/6 to rectangular form.

Let h (t) be the height of the tide at the Bay of Fundy in meters that has changed since midnight, with t measured in hours. We restrict the domain of h (t) to where it is a one-to-one function.

Ed spent 8.5% of his savings on lunch, which cost $5.25. How much did he have in saving before lunch

the water level in a leaky swimming pool fell by the same amount each day for 6 days. Over time the water level measure 4 inches lower. What was the change in the water each day

0.225 = 9/40 true or false

Simplify. - 2xyz (xy 3yz)

A proportional relationship is represented by the equation 2x = 18y. IF y = kx, where k is the constant of proportionality, find the value of k.