Lenny thinks the following expressions are equivalent:
2(3a - 2) + 4a and 10a - 2
is lenny correct? justify your answer.

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?