Answer:
first option
Step-by-step explanation:
y = 1/4x - 5/4
this line has a slope of 1/4 and a y-intercept of -5/4
40^2 - 32^2=576
square root of 576 will be 24 so 24 is y
First, you would need to create an equation for this problem. Let x represent the unknown tax.

=

Next, you would cross multiply.
100x = 52.5
Now, all you would have to do is isolate the x. To do this, you would divide both sides by 100.
x = $0.525I hope this helps!
Answer:
Step-by-step explanation:

it becomes

Done
Answer: the first one is 720. The second one is 72
Step-by-step explanation: