Some friends decide to go to the aquarium together. Each person pays $7.50 to get in. They spend a total of $40 for the shark exhibit. The total cost is $70. Solve 7.5x+40=70 to find how many people went to the aquarium.

What is the absolute value of -100000000000000?

This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music. they were asked how they like three types of music: rock, country western and jazz. the results are summarized below: no one dislikes all three types of music. six like all three types of music. eleven don’t like country western. sixteen like jazz. three like country western and jazz, but not rock. six don’t like rock. eight like rock and country western. seven don’t like jazz. how many students were surveyed?