Evaluate the expression using properties of operations. -1.2 ÷ 1/6 × 5 × (-2)

A) -72
B) 2
C) 72
D) 120

Please include explanation, thx!

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11