Evaluate the expression below for s=4 and t=7
3st² - s²
for s=4 and t=7, 3st² - s² =
[i need tt]

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.