Answer:
the real answer is 18.46 but a round estimate would be 18 dollars if rounding to nearest whole. if u going to nearest tenth u would be going 18.5. :)
Step-by-step explanation:
The answer is -13! Hope this helps!
Answer:
The solutions are <u>270°</u> and <u>450°</u>.
Step-by-step explanation:
Given:
.
So, the second and third quadrant angle to be calculated.

°.
And, 
°
Therefore, the solutions are <u>270°</u> and <u>450°</u>.
Hi
The formula starts with x=9. So the formula would be x-3, than you get a different number and you fill x with that number do this over and over and you will get to -3 or even lower