Students were asked to solve this equation: x = 13

Kira said that you have to divide by on both sides of the Xavier said that you could just multiply both sides of the equation
equation to solve for x.
by 4 to solve for x.

Who do you agree with? Support your thoughts with mathematics and academic
vocabulary.

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.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.