The diagonals of parallelogram QRST intersect point E. If QE = x^2 + 6x, SE = x + 14, and TE = 6x - 1, find the measure of:
TE=
ER=
SE=
QE=
X=

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)