Mary made $126 for 7 hours of work at the same rate, how much would she make for 18 hours of work?

In which of the situations can information about tyler be represented by the expression r+3 when r represents information about ray? check all that apply.

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?