10. 5 (3 + 8 -- 2) = (10 x 3 = 5 x 2)
i do not no what to do

Step-by-step explanation:

5 x3=15

5x8=40

5x2=10          15+40-10         15 +40=55

55-10=45             45

10 x3=30

5x2=10            30=10

so 45 and 30=10

i'm a sophomore in connections, i'd recommend checking on jishka.com they have a large range of questions and answers from our school.

step-by-step explanation:

at each of the parallel lines adjacent angles are supplementary. the angles have special names identifying their positions with respect to the parallel lines and transversal. they are corresponding angles, alternate interior angles, or alternate exterior angles. an angles is congruent to its matched angle.