Find value of: cot^-1 (4)

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

Mary baked 3 pies 1 for her father, 1 for her friend joe and 1 for her coworkers A) permutation B) neither C) Combination

Which is farthest to the right 162.662 or 16.426

Which expression is equivalent to 25 x 4? A) 4x 25 B) (20 + 4) 5 C) 20 x 5 x 4 D) (20 + 5) (20 + 4)

What is 2y-8<-18 cause I really don't get it.

What the perimeter of a triangle

Solve the quadratic equation by completing the square. x^2+6x-4=0 First, choose the appropriate form and fill in the blanks with the correct numbers. Then, solve the equation. If there is more than one solution, separate them with commas.

Daisy is cooking pasta. The recipe says she needs 480 grams of pasta for 4 people. How many kilograms will she need for 14?

What are multiples of 30?

3. Tom was using wire of the following thicknesses 0.33 mm, 0.275 mm, 0.25 mm, and 0.3 mm for some electrical work. Order the wire from thickest to thinnest.

5. Melanie can run around the track 9 times in 28 minutes. At this rate, how many laps can she run in 1 hour and 15 minutes?