Kiran completed x puzzle and Mai completed 3/5 more

Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.

3x = 729 solve for x plz . it's urgent. will mark

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?