How do you work out this question: ravi had 237 marbles more than elliott had. ravi gave elliott 165 marbles. who had more marbles in the end? how many more?

What expression is equivalent to 1/2(2+3x-6)

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.

Ineed me i stuck and i don’t want to get it wrong