Which expression would be easier to simplify if you used the commutative property to change the order of the numbers?
A. (–130) + 42+(-20)
B. 140 + 60 + 17
C. (-1/5) + 2/5 +(-1/2)
D. 75.5 +5.5+ (-125)

What is mean median mode and range?

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?

Milk and ice cream are mixed together for a recipe. the total volume of the mixture is 1 cup. if the milk contains 2% fat, the cream contains 18% fat ,and the mixture contains 6% fat ,how much cream is in the mixture