Last night, the temperature fell from 0°F to -13 in 4 hours. What was the average temperature change per hour? Solve the division problem.
-13 1/5 % 4 2/5
The temperature drop per hour can be represented by
F.

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.