An architect is designing a home. what is the measure of the missing angle of the roof? the measure of the missing angle is?

Ineed with math stuff it involves graphs

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.

Is the number 128.439 a rational number