Answer:
Step-by-step explanation:
Total number of days
The number of days she bought a banana or orange
The probability of buying a banana or an orange is
- P(b or o) = 21/30 = 0.7 = 70%
Answer:

Step-by-step explanation:
Each square has an area of 
So we multiply that by the number of squares which is 6.
Here the answer is 19/35
Step-by-step explanation:

We will apply BODMAS rule
In this rule multiplication comes before add and subtraction
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Answer:
Step-by-step explanation:
<u>Function given:</u>
Evaluate the function for an input value of 3
<u>Input value is x = 3, output value is:</u>
- f(3) = -4(3²) – 3(3) – 5 = -4(9) - 9 - 5 = -36 - 14 = -50
- f(3) = -50