Julie and jim live 230 miles apart. at the same time, they start driving toward each other on the same road. julie's constant rate is 60 mph and jim's constant speed is 55 mph. how many hours will it take them to meet?

a.2
b.3
c.4
d.5

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i