HELP ASAP!! Combine like terms:

-7x + 8 - 4x - 9

answers:

1. -11x - 1

2. -3x - 1

3. -11x + 17

4. -12

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers