Answer:
A=9
Step-by-step explanation:
15÷(3+2)×3
=15÷5×3
=3×3
=9
Hope this helps.
The result of the decrease of the number 14.4 by 0.2 of it is of 14.2.
<h3>What does it mean to decrease a number a by b of it?</h3>
The equivalent operation is the subtraction of a by b.
In this problem, we want to decrease the number 14.4 by 0.2 of it, hence the operation is:
14.4 - 0.2 = 14.2.
More can be learned about subtraction operations at brainly.com/question/4721701
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Answer: D) Not possible to solve
couse we don't know the meaning of 2x + 4y + 10z
210, 420, 630, 840
multiples of 2*3*5*7
To solve this problem you must apply the proccedure shown below:
1. Clear the radius from the formula for the circumference of a circle and substitute values, as following:
2. Substitute the radius calculated into the formula for calculate the surface area of the sphere:
The answer is: 
