Which number sentence does the following number line represent?

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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 graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?