Ok listen if im helping yall with yall questions why delete my comment and report me..? Ian even do nun wrong

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Answer asap evaluate 4-0.25g+0.5h4−0.25g+0.5h when g=10g=10 and h=5h=5.