16. Determine if the following statements are always, sometimes, or never true.

a. When adding two negative rational numbers, the sum will be negative.

b. When adding two rational numbers with different signs, the sum will
be zero.

C. When adding two positive rational numbers, the sum will be zero.

d. When adding two rational numbers with different signs, the sum will
be negative.

Someone pllzz help

The dot plot shows how much hairdressers in margot's area charge for a woman's haircut. the dot plot shows how much hairdressers in margot's area charge for a woman's haircut. the least expensive cut is $25. margot described the data as having a spread from $25 to $47, seven gaps, a cluster from $35 to $37, and a center of $37. where did margot make an error? price of a woman's haircut (in dollars) a. the spread is from $25 to $46. b. there are 11 gaps. c. the cluster is from $36 to $37. d. the center is at $36.