Please just show work on how to solve!

Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?

20 ! identify the degree of comparison of the underlined adjective or adverb. read the sentence. for marley, spelling is the most difficult subject. which best identifies the degree of comparison of the underlined adjective or adverb? -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-a. imperativeb. comparativec. superlatived. positive