Solve each system by elimination 3x-y=-2 - 2x+y=2

How many yards equal to 180 in

For a sample of 100 men, the median weight is 155 lbs., the first quartile is 150 lbs., and the third quartile is 162 lbs.

at Johnson middle school an average of 500 people attended each of the 15 home basketball. if admission was $3 per person, about how much money was collected in all?

Henry is following the recipe cards to make a cake he has95 cups of flour how many cakes can henry make if he has 3.16 cups of flour

Two balls are drawn in succession out of a box containing 3 red and 4 white balls. Find the probability that the second ball was red, given that the first ball was: (A) replaced before the second draw. (B) not replaced before the second draw.

There are 5 red pens, 3 blue pens and 2 green pens in a box. Ziyad takes at random a pen from the box and gives the pen to his friend, Tamer. Ziyad then randomly takes another pen from the box.

The radius, R , of a sphere is 5.8m . Calculate the sphere's volume, V . Use the value 3.14 for π , and round your answer to the nearest tenth.

Estimate the sum by rounding to the tens place 4,351 4,174 3,233 +5,155 ---

When an opinion poll selects cell phone numbers at random to dial, the cell phone exchange is first selected and then random digits are added to form a complete telephone number.

Jason can wash and wax his car in 4 hours. His sister does the same thing in 6 hours. If they work together how fast can they wash and wax the car?