Answer:
A. 10
Step-by-step explanation:
The perimeter is the sum of all the outside lengths
Therefore, to find the value of x, you must do:
x + x + 5 + x + 7 = 42
3x + 12 = 42
3x = 30
x =10
Answer:#2 - c #3 - b
Step-by-step explanation:
Answer:
how do you do this type of stuff I wanna learn so I can start to help other people
The y-intercept is (0,-11), which is option C.