Answer:
1h = 8.5 x2 = 17
1 1/2h = 8.5 x3 = 25.5
2h = 8.5 x4 = 34
2 1/2h = 8.5 x5 = 42.5
0.263
Step-by-step explanation:
21120
1 mile = 5280 feet
5280 feet * 4 = 21120
See Below
x(2x) - 4(2x) + x(3) - 4(3)
= 2x² - 8x + 3x -12
= 2x²-5x-12
