Kiamba thinks a + b = b + a for all 2 × 2 matrices. rachel thinks it is not always true. who is correct? explain

Which math sentence can be used to determine if the triangle is a right triangle?

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

How much orange juice do you need to make 2 servings of lemony orange slush?