Against the wind a small plane flew 210 miles in 1 hours and 10 minutes. The return trip took only 50 minutes. What was the speed of the wind? What was the speed of the plane in still air? Express your answer in miles per hour.

Kamil make $70 per week mowing lawns. How much will kamil make in 6 weeks? Will he make more then $600 in 8 weeks? Explain.

A pizza delivery shop averages 21 minutes per delivery with a standard deviation of 3 minutes. what is the probability that a pizza takes less than 15 minutes to be delivered?

Solve for h. -110=13+3 (4h-6)

Setting StartFraction 7 over 3 EndFraction equal to which ratio would result in a valid proportion? StartFraction 9 over 49 EndFraction StartFraction 18 over 42 EndFraction StartFraction 42 over 18 EndFraction StartFraction 49 over 9 EndFraction

Which statements describe a parallelogram that must be a rhombus? Select each correct answer. 1. parallelogram with congruent diagonals 2. parallelogram with a right angle 3. parallelogram with perpendicular diagonals 4.

1. Tim is choosing between two cell phone plans that offer the same amount of free minutes. Cingular's plan charges $39.99 per month with additional minutes costing $0.45. Verizon's plan costs $44.99 with additional minutes at $0.40.

4,355,000 in word form

In a class, 20 people live on campus and 4 people live off-campus. If we were to draw one student's name from a hat, what is the probability that this student is living off-campus?

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

Which of the following best describes the expression? 2x + 7y