angel has $54 to buy cds and books. each cd, c, cost $9 and each book, b, cost $6. she wants to buy exactly 7 items. Write a system of equations that could be used to represent this scenario

2 is the final ! : )

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

step-by-step explanation:

i'm pretty sure it would take 20 hours because it's half the men so you multiply the number of hours it takes by 2

answer: the answer is d