Which line has a slope of 12 1 2 and a y-intercept of 2?

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

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?