Which of the following is the difference of two squares? a.) 25a^2 - 36b^6

b.) 16g - 49h

c.) 9x^2 - 12y^2

d.) 100m^2 + 9n^2

How to do this , and can some one explain

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

Using the figure below, select the two pairs of alternate interior angles.a: point 1 and point 4 b : point 2 and point 3 c: point 6 and point 6d: point 5 and point 7