Answer:
b=-1
Step-by-step explanation:
10(1+3b)=-20
1+3b=-2
3b=-3
b=-1
Answer: the length is 6 meters and with is 3 meters.
Step-by-step explanation:
Answer: Q’ would be at (5,-8) and R’ will be at (1,3)
Step-by-step explanation: draw out a coordinate graph and it’s basically a reflection over the y-axis