Which of the following is a numerical expression? 3010+20−8

x10+5−4

30x+15−6

3010+9x−4x

20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.

Which diagram shows lines that must be parallel lines cut by transversal?