If there is 80 glasses and i pour 3/4 of water in each glass how many cups did i pour in all

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1