which of the following expressions is not equivalent to the other expressions?

select one:
a. (4d^3gf)^2(f)
b. 16d^6f^4g^2
c. (4d^3f^2g)^2
d. (2f)^4(d^3g)^2

Problem situation: caren is making rice and beans. she can spend no more than $10 on ingredients. she buys one bag of rice for $4.99. beans cost $0.74 per pound. how many pounds of beans, x, can she buy? inequality that represents this situation: 10≥4.99+0.74x drag each number to show if it is a solution to both the inequality and the problem situation, to the inequality only, or if it is not a solution.