There are 15 boys and 13 girls in Mr. Garcia's class. What is the ratio of girls to boys?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Y= a(x-3)squared-1 what is the value of a

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2