Line segment segment ab has a slope of start fraction five over four end fraction and contains point a(8, −7). what is the y-coordinate of point q(3, y) if segment qa is perpendicular to line segment segment ab

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia