Suppose the tree diagram below represents all the students in a high school and that one of these students were chosen at random. If the student is
known to be a girl, what is the probability that the student is right-handed?
A 5/6
B 1/4
C 1/6
D 3/4
Answer is 1/4 or 83%

What is the value of x when x + 7 = 21?

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)