Answer:
mZB= 74
Step-by-step explanation:
ZB+ZA=180
3X-23+2X-12=180
5X-35=180
5X=180+35
5X=215 (then divide both sides by 5 to x be left alone.)
X=43....so ZB=2(43)-12
=86-12=74
Sorry, but this problem cannot be simplified.
It stays how it is.
.5 times four is 3 plus one quarter is 2.33 times 4 is 9.32 plus 75 is 10.07plus 24 is 24.07 then 32 and answer is 56.07
5 hours and twenty minutes
