If x=9 and y=−3, evaluate the following expression:10−4xy​

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Average acceleration: i have no idea how to do this.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class