Astudy of class attendance and grades among first-year students at a state university showed that in general students who attended a higher percent of their classes earned higher grades. class attendance explained 9% of the variation in grade index among the students. what is the numerical value of the correlation between percent of classes attended and grade index? (enter your answer to one decimal place.)

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?

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