If cosx=5/13 and sinx<0, find sin (x/2)

How do you Factor 2x^4+x^2-6

The loan that Nate and Isaac got from their parents was at 2% interest for one year. How much will the boys pay in interest on their loan of / $2,500? Show your work.

The product of two consecutive odd integers is 1 less than four times their some. find the two integers.

The arithmetic sequence a1 is defined by the formula: a1 = 4 a1=ai-1 + 11 Find the sum of the first 650 terms in the sequence.

If a square has an area of 196 square feet. what is the perimeter of the sandbox?

Name 2 decimals with a difference of 0.35.

Over which interval is the graph of f (x) = - x2 3x 8 increasing?

Equation 1 is - 8x + y = - 13 Equation 2 is y = 8x + 5 The following system of linear equation has how many possible solutions? A. 1 Solution B. Infinite Solutions C. 2 Solutions D. No Solution

How do I simplify x^2*y^-3*y

Alfie thinks that if he cuts a parallelogram along a diagonal, he will get two triangles that have the same shape and size. Is he correct? Construct a math argument to justify your answer.