The ratio of boys to girls in math class is 7:8. Which statement must be true about this math class? (A) the boys make up 7/8 of the class.

(B) the girls make up 8/15 of the class.

(C) there are exactly 15 students in the class

(D) there is exactly one more girl in the class.

[ will mark as brainliest for the quickest answer!! ]

Which expression is equivalent to 2x^2+7x+4?

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x

The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?