Solve the following quadratic equation: 2x^2+19x+40=-2

A. x=2 or x= -9.5
B. x=-3.5 or x=-6
C. x=-2 or x=-21
D. x=6 or x=7

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Which of the following is the result of expanding

What are the first 4 terms in the multiplication pattern given by the formula 2×4n