Please help me! Only have about 10 minutes until I have to submit this assignment!

What is the product of the radical expression. (7-2square root) (8+2 square root)

Which fraction below is equivalent to 10/12?

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.