Answer:
A) z= -4
Step-by-step explanation:
Answer:
Second option is the right choice.
Step-by-step explanation:

Answer: cot 0 = 3
Cotangent is the reciprocal of tangent, so it would be 3/1, which simplified to 3.
Step-by-step explanation:
1 litre = 1000ml
780ml left
lost amount = 1000 - 780 = 220ml
Answer:
1. Diameter
2. more than 1 but less than 2
3. ans: 3.14
4. ans: 3.142
5. 33.7 inches
6. a) 100.57 b) 2.36 (2 dp) c) 236.66 d) 113.14 e)20.11
f) 86.11