Find an explicit rule for the nth term of the arithmetic sequence.

-13, -7, -1, 5, ...

Find the length of cu, the triangles are similar.

Solve the x in the equation x^2+14x+17=-96

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?