Which of the following equations is not equivalent to the others?

y = -3x - 4
y = -3x + (-4)
y = -4 + 3x
y = -4 - 3x

(write as unit rate) 12 meters in 2.8 seconds =

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

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.