Answer:
1) If the coefficent of any variable is zero then the answer of the variable is 0.
2) There are two answers in a system of equations.
ANSWER: 3 walls
EXPLANATION: Since we know that with 1/4 can he can paint 3/4 of a wall, and 4/4 is equal to one can of paint, all you would have to do is multiply 3/4 by 4 since 1/4 + 1/4 + 1/4 + 1/4 = 4/4 (Also can be written 4(1/4)=4/4)
Trapezoid because it doesn't have to parareles sides like the other
126-27 = 99, hope this helps
Answer:
115
Step-by-step explanation:
A supplementary line equals 180
You have to subtract 65 by 180
which gives you 115