Which table shows a constant of proportionality of 2 for the ratio of string instruments to percussion instruments?
string
percussion
6
6
9
percussion
string
2
4
6
10
15
string
percussion
6
w-
string
percussion

Match each equation with the operation you can use to solve for the variable. subtract 10. divide by 10. divide by 5. subtract 18. multiply by 10. add 18. add 10. multiply by 5. 5 = 10p arrowright p + 10 = 18 arrowright p + 18 = 5 arrowright 5p = 10 arrowright

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.