What is the probability of rolling a two exactly three times in ten rolls of the die

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars