Answer:
I can't seem to solve these but hope this information helps :)
Step-by-step explanation:
Remove any grouping symbol such as brackets and parentheses by multiplying factors.
Use the exponent rule to remove grouping if the terms are containing exponents.
Combine the like terms by addition or subtraction.
Combine the constants.
Answer:
2.94
Step-by-step explanation:
SA
Area of one plane moultyply by number of planes
0.7*0.7*6
=2.94
Answer:

Step-by-step explanation:
Given



Required
Her salary in that month
Given that she spent
of her salary on shopping, this implies that she has
of her salary left
From what's left, she gave her sister 
This means she gave her sister 
Sister = 
Calculating a fraction of what's left




Recall that she has Rs11,040
This means that

Multiply both sides by 




Hence, her salary for that month was Rs23000
If there are 7 bananas out of 14 pieces of fruit the probability of selecting a banana is 7/14. 7/14 can be reduced to 1/2. 7 divided by 7 is 1, and 14 divided by 7 is 2 making the answer 1/2!