For the angles shown in the diagram, which statements are true? Select all that apply.
A. The sum of m∠3 and m∠4 is 180°.
B. The sum of the measures of the adjacent interior angle and one of the remote interior angles is equal to the measure of the exterior angle.
C.∠3 is supplementary to ∠1.
D. m∠4 = m∠1 + m∠2.
E. m∠1 + m∠2 + m∠3 = 180

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.