At least 5 coins are required:
50¢
25¢
10¢
10¢
1¢
Answer:
substitude (2x+4) for y in the second equation
Answer: 140 ft^2
Step-by-step explanation:
Triangle:
A = 1/2bh
A = 1/2(6 • 4)
A = 1/2(24)
A = 12
Square:
A = bh
A = 16 • 8
A = 128
Add them
128 + 12 = 140 ft^2
