Samantha constructed a graph using the coordinates: r(1,8), s (7,9), t (7,3), and u (1,2). how long is the segment st in samantha's graph?
a.1
b. 3.
c. 6.
d. 7.
e. 9.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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.