Answer:
a
Step-by-step explanation:
the line is straight on the bottem so we can assume its 180 degrees so the equation i used to solve was (angle y)65 + (angle x)45(since angle x is 20 degrees less than angle y) + 70 = 180
The answer is 4pi because the formula to find the circumference is C = 2 pi r. this question is asking for the terms of pi which means you remove the pi from the formula and solve it with out it. the radius is 2 because of the 2 units on the graph is halfway of the circle. you would just multiply 2 x 2 and get 4. after that you put the pi on the end of the 4. so the answer is C. (4pi)
41 hours or more
to make $600 she will need to work 40 hours, but she wants to make more than $600 so she needs to work more than 40 hours.. 600/15=40
i hope this helps