If david painted for 2 days less than pierre and pierre painted for t days, write an algebraic expression that represents the number of days david painted.

If you had 5 green marbles and 8 red marbles, what's the probability that you'll pull out a marble that is green?

Curtis rides his bike 9 miles one way then turns around and rides back. On the return trip, his speed is increased 20% because the wind is at his back. Let s be his speed in miles per hour riding against the wind.

As a dietitian, your patient is on a low sodium diet (less than 1,100 mg of sodium per meal). She has a breakfast of orange juice, 2 eggs, 2 slices of toast with butter on each, and coffee. How much sodium did the patient have for breakfast?

John has to saved $220 for a bike. So far he saved 3/5 of that amount. How much has he saved?

For spring break you and some friends plan a road trip to a sunny destination that is 1705 miles away. if you drive a car that gets 39 miles per gallon and gas costs $3.339/gal, about how much will it cost to get to your destination?

Why can you multiply the numerator and the denominator of a fraction by the same number to find a equivalent fraction?

17,000 and 106,000 in standard form

Which answer describes this type of series - 20-18-15-11 - ... A). Arithmetic B). Geometric C). Neither D). Both

The circumference of the flotation device above is 62.8 inches. If three flotation devices are lined up end-to-end, then what is the length of the flotation devices?

Pair of shoes cost three times as much as a scarf. The total cost of one pair shoes and one scarf is $32. If S represents the cost of one scarf, which equation could use to find the cost of one scarf?