How do you simplify this expression (x+2) - (x-2) - 12x

The table shows the number of stickers of various types in Christy's new sticker book. Chrissy and her six friends have altogether Type of sticker: flower 32 smiley faces 21 hearts 39

Jennifer is 6 years older than her brother. Two years ago she was four times as old as her brother. What equation describes this problem?

Solve for x in the equation x2-12x+59=0.

For all functions of the form f (x) = ax2 + bx + c, which is true when b = 0? The graph will always have zero x-intercepts. The function will always have a minimum. The y-intercept will always be the vertex.

What two numbers add to 4 and multiply to 1

If 40% of a radioactive substance remains after 20 years, what is the half-life of the substance?

Which expression represents a quadratic expression in complete factored form? A. (x - 2) + (x+3) OB. (2x+4) (x+3) OC (x - 1) (3x - 9 OD. (x+4) (x-3)

Which equation could be used to find m∠J in △JKL? x = cos-1 x = cos-1 x = sin-1 x = sin-1

Can you guys give me step by step on how to solve this ... ik the answer. "infinitely many solutions" I need the STEPS 5 + x - 12 = x - 7

A company's sales decreased by 8% this year, to $9015. What were their sales last year? (Round your answer to the nearest penny.) My answer was 9,736.2, but the correct answer was 9798.91. Could someone explain how did they get to 9798.91?