Thr 4 in the tens place blank the vaule of the 4 in the hundreds place

What does x-7 over 7-x equal?

The life of light bulbs is distributed normally. The standard deviation of the lifetime is 25 hours and the mean lifetime of a bulb is 510 hours. Find the probability of a bulb lasting for at most 552 hours. Round your answer to four decimal places.

A basketball drops from a height of 76 in. On bounce one it rebounds to a height of 38 in. On bounce 2 it rebounds to a height of 19 in. How high does the basketball bounce on bounce 3

How many different three letter initials can a person have, if the first and last initial cannot be the same? *note: i'm pretty sure the answer looks something like 26! / (?). I'm supposed to understand this using factorials.

Factor the following n^2 + 6n

A bag contains only red and blue marbles. There are a total of 36 marbles on the bag. There are 5 red marbles for every 4 blue marbles in the bag. A student removes 1 blue marble from the bag.

What? i dant undersatnd this 70 # of what number is 35

The ratio of boys to girls in the Science Club is 3:5. If there are 60 girls, how many boys are there? A) 23 B) 36 C) 38 D) 45

A commuter plane provides transportation from an international airport to the surrounding cities. one commuter plane averaged 280 mph flying to a city and 120 mph returning to the international airport. the total flying time was 3 h.

Find the seventh term of the following sequence 2,6,18, and 54