PLZ HELP WILL MARK BRAINILEST! A market sells 7 oranges for $2.45. how much will 8 oranges cost?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Which is the graph of this function 3 square root of x plus one if