A number Q with Face's number 1 to 6 is rolled 15 times in theory how many times would you expect to roll a number less than 5​

Simplify the expression 10/11(22z) + (a+5) -1

Determine the solution for mc001-1.jpeg

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola 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? write your answer as a decimal rounded to the nearest tenth