Answer:
42x-27
Step-by-step explanation:
7(6x-4)+1 is your original expression. Distribute to get 42x - 28 + 1. Combine like terms and add 1 to -28, which is -27. So, 42x-27 is your answer.
Answer:
??
Step-by-step explanation:
Answer:
The independent variable is number of minutes and the dependent variable is number of miles. Constant of proportionality is 1.2 because 9.6/8=1.2 and 18/15=1.2
Step-by-step explanation:
The formula for area is A=pi r^2 so you plug it in A=pi 20^2 = 1256.63 yd^2