Melissa is standing 40 ft from a tree. the angle of elevation from where she is standing on the ground to the top of the tree is 50°. how tall is the tree?

How do I factor this quadratic expression as the product of two binomials x^2-x-42

To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments. You are given the results below.

What is an arithmetic sequence

The regular price of an item is $150. The item is on sale at a discount rate of 30%. What is the sale price of the item?

How do you write a mixed number as a fraction greater than 1

Use complete sentences to describe how logarithms can aid in difficult calculations.

If Consecutive interior angles are supplementary, what must be true?

In the right triangle ABC, the measure of angle A is 48 degrees, what's angle B

What is the simplified expression for 4^-3 x 3^4 x 4^2/3^5 x 4^-2 A. 3/4 B. 4/3 C. 4^2/3 D. 3^3/4

Find the exact value of cos 15°. a. sqrt2/4 b. (sqrt2 + sqrt6) / 4 c. sqrt2/2 d. sqrt6/4