Torri had 20$ to buy a birthday present for her dad. she decided to buy a dvd for $18. the sales tax is 7%. does she have enough money? (show work)

What is the pattern in the values as the exponents increase?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent