PLEASE HELP!!!!!!! this is really hard!!!When Anne Betty and Cynthia compared the amount of money each had, they discovered that Anne and Betty together had $12 Betty and Cynthia together had $18 and Anne and Cynthia together had $10. Who had the least amount of money? and how much was it?
patrick ate 3/5 of a small pizza on Friday night. for lunch on saturday, he ate 1/2 of the leftover pizza. hiw much pizza did he eat for lunch on saturday ?
On a field trip when their bus breaks down 40 miles from the school. A teacher takes 5 of them back to school in her car, travelling at an average speed of 40 miles per hour.the other 5 students start walking towards school at a steady 4 miles per hour.the teacher drops the 5 at school. Then immediately turns around and comes back for the others, again travelling at a steady speed of 40 miles per hour. How far have the students walked by the time the car reaches them?
4 girls and 8 boys are running for president or Vice President of the student council find the probability that 2 boys are elected
The graph of y=-5x^2 + 9 passes through (1,2a) in the standard (x,y) coordinate plane what is the value of a? .
