One less than half a number is 12. what is the number ?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

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