Answer:
Unrounded, it would be 19.625, and rounded it would be 19.63
Step-by-step explanation:
Following the formula pi r^2, I came up with this answer. Hope this helps!
No, the question is stating the product of a number (the variable n represents the number) and 10 is 142. In other words, 10 times another number is 142. Hence, the answer would be A.
The first one is infinite many solutions
The second one is (x=0) one solution
The third one is (x=3) one solution
The fourth one is no solution
The last one is no solution
40hours = 2,080 hours per year. working 15$ would end up being about 31,200 a year