5. John buys a water tank from a company that likes to use exponents as dimensions. The tank he buys has the dimensions b2 by b4 by 4c3. Which of
the following expressions represent the volume of the water tank?
A 4b8c3
B 4bc3
12b8c3
D 2bc3

What expression is equivalent to 1/2(2+3x-6)

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

What is the value of x when x + 7 = 21?