Alysa is solving the question below y=3x-12
y=-2x+8
what step should she do first when using the substitution method
A. add 8+-12
B. write 3x-12=-2x+8
C. move the x terms to the left side of the equal sign
D. add y+y

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

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