8. Sandy paid $16.50 to place an advertisement in a newspaper. The total cost is determined by a $4.00 set up cost and then $0.50 per word cost. How many
words were in Sandy's advertisement?*
A 25
B 33
C 45
D 26

Matt and brian were solving a system of equations. they both noticed that the two lines had the same slope. brian said that because each line in the system had the same slope, the two lines had to be parallel, which meant the solution to the system was "no solution" matt disagreed, and said they should also look at the y-intercepts before determining how many solutions there were. who is correct?

Which best explains why this triangle is or is not a right triangle?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.