Samaj is making cupcakes for the school fair. One box of cake mix will make 20 cupcakes. Two boxes of cake mix will make 40 cupcakes. The constant of proportionality is k = 20. Which statement explains the meaning of the constant aof proportionality?

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

Suppose 38 lbs of coffee beans are required to produce 2 lbs of farmer's coffee. how many lbs of coffee beans are required to produce 309 lbs of farmer's coffee?