It’s going to be B because
The slope intercept it (0,4)
8.
2 terms on left side, 3 on right side
9.
All variables count as coefficients, so they’d be 8m, k, and -16k
10.
The constants are just numbers on their own, or without a variable next to it. Here it’d be 10 and -4
Answer: R=8
Step-by-step explanation: R-7=1, R+7=1+7, R=8.