Please help!!
16. 34x^4y^3 – 17x^2y^5
17. 20p^2 – 16p^2 q^2
18. 35m^3n + 105m^2n^3

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

Data for the height of a model rocket launch in the air over time are shown in the table. darryl predicted that the height of the rocket at 8 seconds would be about 93 meters. did darryl make a good prediction? yes, the data are best modeled by a quadratic function. the value of the function at 8 seconds is about 93 meters. yes, the data are best modeled by a linear function. the first differences are constant, so about 93 meters at 8 seconds is reasonable. no, the data are exponential. a better prediction is 150 meters. no, the data are best modeled by a cubic function. a better prediction is 100 meters.