Math word problem. What's the equation I use?

Jordan wants to figure out the height of a tree in his yard. He is 5 feet tall and his shadow is currently three feet long. The measure of the tree's shadow is 9 feet long. How tall is the tree?

To finance her community college education sarah takes out a loan for $2900. after a year she decides to pay off the interest which is 5% of $2900. how much will she pay

Information about the students at Jackson High School is shown in the table. A 4-column table has 4 rows. The first column has entries tenth grade, eleventh grade, twelfth grade, total.

If f (x) = x-7 and g (x) = x^3, what is G (f (x)) ? A. x^3+x-7 B. x^3 (x-7) C. X^3-7 D. (x-7) ^3

There are students in three rows taking a test. there are 22 students in the first row, 19 students in the second row, and a certain number of students in the third row. if there are a total of 62 students, how many students are in the third row?

If p (e) is the probability of event e occurring, the the probability that event e does not occur is call the

Solve - 1 3/8 K equals 2/3

What is the answer for h (x) = -9/8x-5/8

The table shows ordered pairs of the function y=8-2x. What is the value of y when x = 8?

When x = 4, the value of 2x0 + x! is (1) 24 (3) 26 (2) 25 (4) 28

you are renting a bike down the shore. There is a $5 fee plus $2 for each hour that you rent the bike. you want to spend less than $15. Write an inequality to show how many hours you can rent the bike for.