Will mark brainliest.

The average human heart beats 72 beats per minute. how many times does it beat in 15 seconds?

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?

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2