The ratio of the number of giraffes to the number of monkeys in a zoo is 2 to 5. which statement about the giraffes and monkeys could be true?
a. for every giraffe in the zoo, there are 10 monkeys.
b. for every 10 giraffes in the zoo, there is 1 monkey.
c. for every 4 giraffes in the zoo, there are 10 monkeys

What is the vertex form of f(x) = x2 + 6x + 3

Abcd is a square. what is the measure of angle bac

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.