What are some complex fractions with unknown numbers

Express the following in factors; (n+1) !+n!

A parallelogram has the vertices (-1, 2), (4, 4), (2, - 1) and (-3, - 3). Determine what type of parallelogram Find the perimeter and area.

Which expression represents the phrase, "half the sum of 10 and a number"? 12x+10 12 (10+x) 12+10+x 12 (10) + x

What does 0+0=? What does 2+2=?

What is the solution to this equation? 4x^2+98=0

Carlolyn determines that the area of a white triangle is half the area of a shaded triangle because the ratio of the side lengths of a white triangle to a shaded triangle is 3/6. Is Carolyn correct? Explain.

What is 86x65=? Bc I don't know!

What is the sum? 2/x^2+4/x^2

Evaluate each expression below. 1. 7-2 (x-4) when x = 5

An angle fish was 1 1/2 inch long when it was bought