the perimeter of a rectangle is 68ft. the length exceeds 3 times the width by 2ft. find the dimensions of the rectangle

Paula had 7 times as many nickels as quarters. their value was 1.80. how many of each coin did she have

when 3 times the sum of 4 and an unknown number is subtracted from 10 times the unknown number, the result is equal[..]

one number is 17 more than another. if the greater number is increased by 3, the result is 5 times the smaller. what[..]

four times the sum of the first and third of three consecutive integers is 140 more than the second integer. find[..]

four times the sum of the first and third of three consecutive integers is 140 more than the second integer. find[..]

if the sum of a number and -3 is doubled the result is 1/2 times the number

Describe the difference between the arc measure and the arc length of (arc)AB.

The formula A=P (1+r)^2 gives the amount A in dollars that P dollars will grow to in 2 yrs.at interest rate r (where[..]

A boat travels 3km upstream and 3km back. The time for the round trip is 5hrs. The speed of the stream is 5 km/hr.[..]