Determine the eccentricity for r=5/2+1sin theta

0.5

5

2

1

Determine the equation of the directrix of r=26.4/4+4.4 cos theta

X=-6
Y=6
X=6

Which of the following circles have their centers on the x-axis? check all that apply.

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.