The ratio of boys to girls in the classroom is 12:25 if there are 120boys how many girls are there

Suppose that x and y are both differentiable functions of t and are related by the given equation. use implicit differentiation with respect to t to determine startfraction dy over dt endfraction in terms of x, y, and startfraction dx over dt endfraction .

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)