Answer:100mm
Step-by-step explanation:
Answer:
(a) 
(b) 
Step-by-step explanation:
Given

Solving (a): Simplify

Open brackets

Collect Like Terms

Simplify Like Terms

Solving (b): Simplify when a = 2 and b = -1





Hence:

Answer:
Step-by-step explanation:
Number of males who exclusively drink coffee: 21.
Total number of people: 100
P(MdC) = 21/100 * 100% = 21%
The amount more of rain that fell in those three days than normally falls in July and August combined was 31.19 cm.
<h3>How much more rain fell in those three days?</h3>
The amount of rain in those three days was 41.2 cm.
The combined normal rain July and August is:
= 6.36 + 3.65
= 10.01 cm
The difference is therefore:
= 41.2 - 10.01
= 31.19 cm
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