What is the mode of the data set?
11,12,12,14,16,18,19,19,20
a 11
b 12 and 19
c 16
d there is no mode

Mode: the number that occurs the most in a set of numbers.

Least to greatest - 11,12,12,14,16,18,19,19,20

The answer would be "B" 12 and 19.

The answer would be "B" because both he numbers 12 and 19 appear more than once in this set of numbers. No other number appears more than once so that means that the mode is 12 and 19.

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations:

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: