Kareem but a new collar and a toy mouse for his cat. The collar cost $3.50, the toy mouse cost $2.70, and the tax was 5% how much change did Kareem get from a $10 bill?

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

What is the slope of the line (-7,2) (4,6)

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?