Does this have a negative slope c=30-6d

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.

The area of square garden is 300m squared. how long is the diagonal?

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?