a plane flew 2,100 km with the jet stream in 2.5 hours. the return flight against the jet stream took 3.75 hours. find the speed of the jet stream and the airspeed of the plane.

How to Convert the to a fraction 0.273 repeating

Casey sights the top of an 84 foot tall lighthouse at an angle of elevation of 58 degrees. If Casey is 6 foot tall how far is he standing from the base of the lighthouse?

elizebeth goes to chorus practice after school practice last 1 hr and 20 min and it is over at 4 40pm at what time does chorus practice begin

Given the following sets. a = {0, 1, 2, 3} b = {a, b, c, d} c = {0, a, 2, b} find a c.

You invest $2,000.00 at a rate of 4% APR for a 3 months. How much interest did you earn? A. $80.00 B. $40.00 C. $20.00 D. $10.00 You earn $10.00/hour and work 40 hours/week. You invest $4,000.00 at an interest rate of 5% APR for a year.

A group of workers can plant 5/8 acres in 4/5 days. What is the unit rate in acres per day? Write your answer in simplest form.

Can the sum of two mixed fractions be less than 1? Why or why not

What is 20% of 148 Anyone know

A rectangle has width 12 inches and length 16 inches. the width of the rectangle is decreased by 25% and its length is increased by 25%. how does the area change & by how much?

If the balance at the end of eight years on an investment of $630 that has been invested at a rate of 9% is $1,083.60, how much was the interest?