Is 2 1/2 times (-1 1/2) the same as (1) times (2 1/2) times (-1) times (1 1/2)?

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?