Combine the like terms to simplify the expression: 9+3+17xy(2)+8y(3)+10x –13xy(2) – 9x – 6y(3)
a. 2y(3)+4xy(2)+x+12
b. 2y(3)+4xy(2)+10x+9
c. 2y(3) – 4xy(2) – 3x+12
d. 2y(6)+4x2y(2)+10x+12 the numbers in the parenthesis are exponents

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?