Multiply (2x2 + 3x − 6)(x − 1).
2x3 + 3x2 − 6x + 6
2x3 − 18x2 − 3x + 6
2x3 − 12x2 + 3x + 6
2x3 + x2 − 9x + 6

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.

If there are 825 students at cherry hill high school and 4 out of every 5 students voted in the student council election, how many students voted?