If you had $120 and earned $20 each week, how long would take to get $340? and an equation

How many zeros does the function f(x)=4x3-x2+1 have

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.

If a and b represent positive real numbers what is the inequality when solves for v