Answer:
50
Step-by-step explanation:
Easiest way is if you have a graphing calculator, but if not. Simply plug in values for x, starting at -2 for this equation, and then find the corresponding y values. Then plot.
The first one is number 2 the second one is 185.(could you also say what is in the drop down menu for the third one. The last one is Part A is 376 and part B is 1,3,4.Hoped it helped a bit :)
X+4=7
-4 -4
x=3
First subtract 4 from 4 and 7
Then keep the equal sign and x=3
Divide sales tax amount over the item's cost
23.1 / 330 = 0.07
Therefore the sales tax is 7%