Solve these equations: 1. 2(n+1)+1=(n-5)+(n-2) 2. 3(n-1)-2=4(n--1)

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.