Write an equation to find the number of students in mr boggs homeroom if the total number of students is 90

In djkl, side jk measures 10.6 inches, side kl measures 7 inches, and side jl measures 5 inches. based on the information that is provided, which could be a correct set of angle measures for these sides? angle j = 23.2°, angle k = 33.5°, angle l = 23.2° angle j = 23.2°, angle k = 33.5°, angle l = 123.2° angle j = 123.2°, angle k = 23.2°, angle l = 33.5° angle j = 33.5°, angle k = 23.2°, angle l = 123.2°

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Bring the fraction a/a-4 to a denominator of 16-a^2