What is the center for the circle with this equation: x^2+y^2+4x+6y-36=0

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?

Barrett is comparing the membership fees for two museums.the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?