Mike has some coins in his pocket consisting of dimes, nickels, and pennies. he has two more nickels than dimes, and three times as many pennies as nickels. how many of each kind of coins does he have if the value is 52 cents? what is the variable and equation?

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?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)