I NEED THE ANSWER ASAP. An architect is planning a triangular pool with the perimeter of 99 feet. If two sides measure 20 and 42, respectively, what is the length of the missing side which is x?Write an equation to represent the situation, Then solve for x. PLEASE

The system of equations graphed below has how many solutions? y = 2x + 2

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?

Standard deviation of 19,29,21,22,23