Answer:
14 pieces of ribbon
Step-by-step explanation:
Answer: X=-5
Answer: 50
400 ÷ 8 = 50
top right
f(x) + g(x) = 3x + 7
f(x) = 2x + 2, g(x) = x + 5
f(x) + g(x) = 2x + 2 +x + 5
f(x) + g(x) = 2x +x + 5 +2
Answer: =1845
Step-by-step explanation: hope this help