Answer: N = 5
Step-by-step explanation:
M = 3N + 4R
M = 43
R = 7
Replacing by the values
43 = 3N + 4*7
43 = 3N + 28
43-28 = 3N
3N = 15
N = 15/3
N = 5
Answer:
c
3S + S + S + 20 = 180 gives 5S = 160 OR S = 32
Largest = 3S = 3*32 = <u>96 </u>degrees ANSWER