7x - 1 = 20
7 times 3 is 21, 21 minus 1 is 20
Using the formula y=mx+b, you can simplify the equation to y=-4.5x+28 which means that the slope (m) equals -4.5 and the y-intercept (b) equals 28.
I hope this is in dollars. Remember to always put a label on a number. Who knows, maybe this person paid in bananas.
$45+$60+$7= $112.
Answer:
B
Step-by-step explanation:
the rest of the answers are the same and it is harder to compare if the lines are connected because you are most likely going to use a bar graph
I believe it’s D not 100% sure but yea
