Larry's Lawn Service charges w/hour for the first x hours of grass trimming, then w + 2 dollars for every hour of work over x hours. How much more will a homeowner be charged for a grass trimming job that took z hours if z > x than for a job which took only w hours if x < w < z?
Helena invested \(\$8000\) in the Tallahassee City Bank at z% simple annual interest for one year with a yield of \(\$450\). How much should she invest at s% simple annual interest for one year to yield the same amount? (1) s/100 = 3/4 (2) s = .4z
What is the value of x+2y? 1. $3^x . 9^y = 27^{12}$ 2. x=2y
What is f(2) for the graph of f(x) below?
According to the graph below, the greatest change in the profit of the Sports Shack occurred between which two consecutive months?
If xy $\neq$ 0, is $\frac{1}{x} + \frac{1}{y} = 16$?1. x + y = 16xy 2. x = y
If xy $\neq$ 0, is $a > \frac{y}{x}$?1. $a = \frac{1}{x} + \frac{1}{y}$2. x and y are positive integers