What type of problem can be modeled and solved with a 2-variable linear inequality?

Write 17/20 as a decimal and as a percent.

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

For what value of (y) is 3^3/3^y =1/9