The temperature was 20 degrees below 0 at midnight. By morning it fell another 15 degrees. choose the correct expression A. 20-15
B. -20+(-15)
C. -20+15

What is the vertical asymptotes of the function f(x)=x-2/x*2-3x-4

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Solve 3x-18=2y and 5x-6y=6 by elimination show work