There are six rows of 18 chairs and in the middle of four rows of six chairs are brown how many are not brown

What is the solution of log2  (3x  -  7)  =  3? 4 5

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2