Answer:
Step-by-step explanation:
x + 6 = 0
x = -6
-x + 1 = 0
-x = -1
x = 1
x = -6, 1
Answer:
81
Step-by-step explanation:
3^2
3 × 3
= 9
3^2
3 × 3
= 9
9 × 9
= 81
1.
15 × 12× 20
3600
2.
2×2×3
12
3.
24.3×8.5×9.7
2003.535
Answer:
x=20
Step-by-step explanation:
30°-60°-90°Δ
a=10
b=20
c=10
x=b
x=20