3. What is the sum of the angle measures of the quadrilateral? m. A = 90°
m2 B = 90°
m2 C = 90°
m. D = 90°

i believe it's a.

i'm not sure on this one, most likely correct.

1

x = 1

step-by-step explanation:

0 ÷ x = 0

0 ÷ 1 = 0

step-by-step explanation:

well if you round, things become much more simple. round 5.95 to 6, 4.25 to 4, and 1.05 to 1. now, add 6+4+1 and that would equal 11. so the items together would equal to about $11.