Answer:
y=4x-3
Step-by-step explanation:
368 cm²
Bottom: 12 * 10 = 120 cm²
Front and back (square): 2 * (10 * 10) = 200 cm²
Front and back (triangle): 12*8/2 = 48 cm²
Total = 120 + 200 + 48 = 368 cm²
126
2/7*x+9=45 -9
2/7*x=36 /2/7=*7/2
x=126