Explain how you can solve the pair of equations by substitution. show all steps and write solution in (x, y) form. y = x + 4 y = −2x − 2

Suppose you are going to graph the data in the table. minutes temperature (°c) 0 -2 1 1 2 3 3 4 4 5 5 -4 6 2 7 -3 what data should be represented on each axis, and what should the axis increments be? x-axis: minutes in increments of 1; y-axis: temperature in increments of 5 x-axis: temperature in increments of 5; y-axis: minutes in increments of 1 x-axis: minutes in increments of 1; y-axis: temperature in increments of 1 x-axis: temperature in increments of 1; y-axis: minutes in increments of 5

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).