Why should you subtract 10 x 6 and not 9 x 6 or 20 x 6

Dr. Black is standing 13 feet from a street lamp. The lamp is making his shadow 9 feet long. He estimates that the angle of elevation from the tip of his shadow to the top of the street lamp is 50 degrees.

A number plus one is greater than negative five and less than three

Ms. Nichols bought enough sandwiches to feed 28 people. Each sandwich feeds 2 people. The cost of one sandwich is 4.99. How much does Ms. Nichols pay for the sandwiches. Show how you solved the problem.

Write the ratios for sin X and cos X. Given that sin is opposite over hypotenuse and cosine is adjacent over hypotenuse.

How does the volume of a cylinder change if the radius is quadrupled and the height is reduced to a third of its original size? A. v = 1/3 pie r^2 * h B. v = 2/3 pie r^2 * h C. v = 4/3 pie r^2 * h D. v = 16/3 pie r^2 * h

A biker traveled 20 miles in 4 hours. A unit rate to describe this would be 5 miles per hour. What is another unit rate in this situation?

At most restaurants, the more food you order, the more money you have to pay. This is true whether you go to an overpriced "gourmet" restaurant where the plates are tiny but very expensive, or to a cafeteria where the portions are huge and the

Exit A bag contains 4 red marbles and 5 blue marbles. If two marbles are chosen at random, one at a time and without replacement, what is the probability of getting two red marbles?

Sandy has 16 roses, 8 daisies and 32 tulips. She wants to arrange all the flowers in bouquet. Each bouquet has the same number of flowers in that same type of flowers. What is the greatest number of flowers that could be in a bouquet

If y is proportional to x, and y = 4 when x = 6, what is the constant of proportionality between them (the ratio of x to y)