A number between 0 and 20 that has two factors

The angle of elevation to the top of a very tall building is found to be 13° from the ground at a distance of 1 mi from the base of the building. Using this information, find the height h of the building. (Round your answer to the nearest foot.)

Triangle xyz is reflected across the x-axis, and x = (-11, 8). what are the coordinates of x'?

Is ax^2 the same as 2ax

Two numbers have a difference of 24. What is the sum of their squares if it is a minimum? 288 1156 366 576

Of a group of students, 5/8 of them are boys. The girls are put into groups so that each group has 1/16 of the total number of students. How many groups of girls are there?

What is the volume of a sphere if its r=21m?

Joe and his parents are going on vacation. On the first day they travel 250 miles. On the second day they travel 300 miles. The total miles they must travel is 1000.

Find x when y=3 in the literal equation 3x+6y=24

The sequence below is arithmetic {1,8,27,64}

Angles α and b are the two acute angles in a right triangle. Use the relationship between sine and cosine to find the value of b if b < α. sin (x 2 + 2x) = cos (2x + 3x 2)