The table below represents the number of math problems Jenna completed as a function of the number of minutes since she began doing her homework does this situation represents a line here or nonlinear function and why

If jm equals 5x -8 and lm equals 2x -6 which expression represents jl

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )