Part 1: should be C. Because the question said 1.2 added to a number.
Part 2:16.8
Answer:


Step-by-step explanation:

Edit: Solve for Y
A straight line is 180 degrees so one side (the x side) is 160°, The Y side is 20, and you can work backwards by -

1.75 because you would divide 3.5 by 2
Answer:
C. $314.44
Step-by-step explanation:
$390 x 0.25 Discount = $97.5
$97.5 x 1.075 Sales Tax = $104.81 <---this is how much you save
$390 - $104.81 = $314.44 Total Price
Savings: $104.81
Tax: $21.94
Total Payment: $314.44
Answer:
The last one doesn't satisfy! for example if y=2 and x=1 then 2<0 false.
Step-by-step explanation: