Solve (-8)(7) + 8

16 - 18 -10
Please help!​

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

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

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20