PLS HELP?

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

The volume of a cube is 8 in to the 3rd power. how long is each side?

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.