Restrictions on x for xsquared - 1/x-1

Which expressions are equivalent to 4 (4a+5) ? a. 16a+5 b. 16a+20 c. 12a+20+4a d. 2 (8a+10) e. 16a+5+4

In Joe's sock drawer, he has 10 white socks, 4 black socks, and 8 brown socks. if it is dark when Joe picks his socks this morning, what is the (simplified) probability that Joe picks a pair of brown socks?

Simplify: (x+7) (x-4)

Getting a sum of 10 and 11

What three consecutive numbers equal 170?

A circle has a circumference of 12. It has an arc of length 8/5. what is the central angle of the arc, in degrees?

Solve this equation/[/sin^6 x+/cos^6 x=/frac{5}{8}/]for / (x / in[0,2/pi]/)

Mary clams that you can cut a parallelogram along its diagonal and get two pieces that are the same size and shape Larry says that you can't cut all parallelograms this way who is correct explain you're thinking

In cells J18 and J19, use the information you calculated about the confidence interval for weight to determine the lower and upper bounds for the 95% confidence interval for your prediction of Jim's weight in cell J15.

Solve: (2x + 5) (x-3)