The altitude a (in feet) of a plane t minutes after liftoff is given by a=3400t+600. How many minutes after liftoff is the plane at an altitude of 21,000 feet?

Is 5/6 greater than less than or equal to 33/42

There are 3 cups. each cup is 5/8 full of water. how many cups of water is there altogether?

Find area of a circle that has a diameter of 8 m

One and one fourth multiplied by forty five

Solve for x. -7x + 5 = 40

How do you write a ratio statement of 8 fish to 2 cats?

What is the objective to solving: x + 12 = 4

What is the result 75 is decreased by 40%?

Often when we buy cheap combination locks, we have no control over what the combination is. what is the probability of buying a lock with no repeated numbers, assuming all combinations are equally likely?

If you deposit $10,000 at 3.85% interest, compounded daily, what would your ending balance be after three years?