9. A half-marathon is 13.1 miles long.
There is a water station every 15 miles
along the race trail and at the finish
line. How many water stations are
needed for this half-marathon?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

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.

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone. which are equivalent equations?