the train traveled at an average speed of 48 miles per hour for the first 2 hours and at 60 miles an hour for the next hours. What was the train's average speed for the 6-hour trip? (Average speed equals total miles divided by total time.)

1. How do you determine the constant that you should add to an expression in the form x^2+bx so that it becomes a perfect square trinomial? 2.

Solve for x in the equation x - 4 = 7. A. x = 3 B. x = - 3 C. x = 28 D. x = 11

Drag the correct steps into order to evaluate 42 + t6 for t = 12.

A factory produces 42,000 computer monitors per day. The manager of the factory claims that fewer than 660 defective computer monitors are produced each day. In a random sample of 240 computer monitors, there are 2 defective computer monitors.

Your consulting firm is submitting a bid for a big contract. From previous data, you know your firm has a 51% of successfully landing the contract. The agency to which you submitted your bid has asked for more information about your bid.

What is the value of 35-3m, when m = 4? A. 1 B. 13 C. 23 D. 128

A Product What is the product of 4.01 x 10-5 and 2.56 x108?

True or false the number 0 is the multiplicative identity?

What's joint frequency?

How do you solve 235+123 using a number line?