Tom walks half a distance at 4 mph and runs back the other half at 12 mph.

What is his average speed for the entire trip?

Provide a recursive definition of the function f (n) = (n+1) !.

The sum of two integers is 23 and the positive difference of the same two integers is 13. What is the product of these two integers? A) 90 B) 75 C) 46 D) 299

An example that disproves a conjecture. a Converse b Counterexample c Inverse d Contrapositive

What adds to - 8 and multiplies to - 20

Which value is farther to the right on a number line 2.5^2 and √81

Lee buys 5 DVD's for $60. At this rate, how much woukd he bay for 3 DVDs? A:$10. B $30 C:36. D:$58

Show that - 1.808 is a rational number.

Explain in words how to change a fraction to a percent

There are 3 strawberry ice creams, 4 chocolate ice creams, and 7 vanilla ice creams on a tray. barbara selects 2 ice creams at random without replacement. what is the probability that she selects 2 chocolate ice creams?

Sandy works at a store that sells clothing accessories. The supply function for scarves is P = Q-9, where Pis the price and Q is the quantity of scarves. If Sandy sells the scarves for $12 apiece, how many scarves will the store supply?