Which student has the highest mean (average) test score? PLS HELP

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Find the combined area of the triangles. click on the answer until the correct answer is showing. possible answers: a = 4 pi - 8a = 9 pi - 9/2 √3a = 16/3 pia = 16a = 27 pi

Determine whether the statement is true or false