Answer:
65°
Step-by-step explanation:
x=180°-40°-75°
x=65°
a
just take -4.5 the right side
rewrite -1 1/3 as a decimal: -1.5
-2.1 - x = -1.5
Subtract -2.1 From both sides:
X = -1.5 - -2.1 = -1.5 + 2.1
X = 0.6
Answer: B. 0.6
12
.......................
81
Its a perfect square and 27*3=81
