How many integers are there from 10 through 99?
b. how many odd integers are there from 10 to 99?
c. how many integers are there from 10 to 99 that have distinct digits?

Find an equation of the line perpendicular to the graph.

Find an equation for the linear function which has slope -10 and x-intercept -7

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.