Subtract 1/4w + 4 from 1/2w + 3

a. -1/4w + 1
b. -1/4w + 7
c. 1/4w - 1
d. 1/4w + 7

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?