1. 12 mph, 24 miles
2. m=4, y=22
3.15/1, $1500
4. x=30 y=60, k cheaper, j cheaper
Answer:

Step-by-step explanation:
First, find the <em>rate of change</em> of the line:

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Now plug all the information into the Slope-Intercept Formula. It does not matter which ordered pair is chosen:
![\displaystyle 3 = -3[2] + b \hookrightarrow 3 = -6 + b; 9 = b \\ \\ \boxed{\boxed{y = -3x + 9}} \\ \\ OR \\ \\ 6 = -3[1] + b \hookrightarrow 6 = -3 + b; 9 = b \\ \\ \boxed{\boxed{y = -3x + 9}}](https://tex.z-dn.net/?f=%5Cdisplaystyle%203%20%3D%20-3%5B2%5D%20%2B%20b%20%5Chookrightarrow%203%20%3D%20-6%20%2B%20b%3B%209%20%3D%20b%20%5C%5C%20%5C%5C%20%5Cboxed%7B%5Cboxed%7By%20%3D%20-3x%20%2B%209%7D%7D%20%5C%5C%20%5C%5C%20OR%20%5C%5C%20%5C%5C%206%20%3D%20-3%5B1%5D%20%2B%20b%20%5Chookrightarrow%206%20%3D%20-3%20%2B%20b%3B%209%20%3D%20b%20%5C%5C%20%5C%5C%20%5Cboxed%7B%5Cboxed%7By%20%3D%20-3x%20%2B%209%7D%7D)
I am joyous to assist you at any time.
Answer:
Front, 60, back 60, right, 30, left, 30. And the triangle's surface area is 15 + 15 = 30, And 20 / 2 = 10. SO the surface area is 190 cm^2
Step-by-step explanation:
Answer:
Step-by-step explanation:
Im pretty sure the answer is 1.4 or D