Three numbers are in the ratio of 1:2:4. If 3 is added to the first and 8 is subtracted from the
third, the new numbers will be the first and third terms of an
A. P., whose second term is the second number. Find the
original numbers.
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Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2