What is the equation of the line that passes through the point (-3, 4) and has a slope of 1/3?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas