In sunlight, a vertical stick has a height of 3 ft and casts a shadow 2 ft long. At the same time, that a nearby tree casts a shadow 20 ft long. How tall is the tree?

How did you turn 8 5/10 into 8 1/2

Find the value of this expression if x = - 7. x2 - 1

Translate the sentence into an equation. The sum of 4 times a number and 6 equals 8 Use the variable w for the unknown number.

If you have a bowl that ha 7 green marbles and 5 red marbles and 5 red marbles, found the probability of drawing 3 red marbles in a row if you draw them without replacement?

Tori buys 27 packages of miniature racing cars. Each package contains 5 cars. About how many miniature racing cars does tori buy?

How to integrate sec^3x

Superman needs to save Lois from the clutches of Lex Luthor. After flying for 6 seconds, he is 1758 meters from her. Then at 9 seconds he is 1587 meters from her. What is Superman's average rate?

Find a whole number that, when added to the data set below, does not change the interquartile range. 18, 20, 22, 26, 27, 28, 30, 34 One possible whole number is__.

If Vector A is (6, 4) and Vector B is (-2, - 1), what is A - B? A. (8,5) B. (8,3) C. (4,5) D. (4,3)

What is the decimal for 36/10