What is the expected number of heads that come up when a fair coin is flipped 10 times?

For the function, f(x) = -5x 2, find f(-4).

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!