Two trains, Train A and Train B, weigh a total of 149 tons. Train A is heavier than Train B. The difference of their weights is 77 tons. What is the weight of each train?

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2

Consider the expression below. 9 + 4(x + 2) – 3.1 select the term that best describes "3" in the given expression. o a. coefficient variable exponent constant

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