The ratio of red counters to blue counters is 1:3 how many more red counters do you need to add to make the ratio of red to blue 3:1

Aboat's value over time is given as the function f(x) and graphed below. use a(x) = 400(b)x + 0 as the parent function. which graph shows the boat's value increasing at a rate of 25% per year?

For what values of x is x2 + 2x = 24 true?

Which of the following is not a subset of {1,2,3}?