Find value of: cot^-1 (4)

(inverse of cotangent). Give the reason of using cosine to evaluate.

For a trip Eli packed 4 shirts, 2 pairs of pants, and 2 pairs of shoes. How many different outfits can Eli make?

The ratio of the length of an airplane wing to its width is 8 to 1. If the length of a wing is 28.2 meters, how wide must it be?

Write an equation in the form y = mx + b for the line that passes through (1, - 10) and has a slope of 3.

if 1/2 subtracted from a number and the difference is multiplied by 4, the result is 5. what is the number.

If sally eats p candy bars and joe eats 8. There is 56 altogether. What is p equal to?

A teacher assigns her class to read from the top of page 28 in the textbook to the bottom page of 38. How many pages did she assign her class to read

The area of a rectangular classroom is 320 square feet. If the length and width of the classroom are multiplied by 4, what is the area of the new classroom? A) 5120 B) 2540 C) 1700 D) 3840

Ben has been 30 minutes late to work on each of the last 7 days. The number of hours that he has been late will be deducted from his usual 40 hour work week. How many hours will be deducted?

Abigail redecorated her house. A scale drawing of her house can be seen below. If each 6 cm on the scale drawing equals 12 ft, what are the actual dimensions of Abigail's house?

Shawn sells 36 vehicles in 4 weeks, Brett sells 56 vehicles in 7 weeks. Who sells more vehicles per week?