Find the average monthly expenditure of the following. january: $795, february: $776, march: $751 step 1: find the sum of monthly expenditures
step 2: take the sum of monthly expenditures and divide by the number of months

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no

Prove that 16^4-2^13-4^5 is divisible by 11.