The Answer is:
(5a2-3a+8)+(-4a2-1)+(15a+11)
Answer:



Step-by-step explanation:
Given

See comment for complete question
Required
The number of decimal places
To do this, we simply calculate the number of digits after the decimal points


The product is the sum of the digits above 2 + 1 = 3
Hence:

To transform it into percent we want to have 100 into denominator. The easiest way is divide numerator and denominator by 3 (thats because than it doesnt change the value of fraction), so:

- its the result
Answer:
√306
Step-by-step explanation:
→ Work out the height of the triangle
14 - 5 = 9
→ Use Pythagoras theorem
√15² + 9²
→ Simplify
√306
Answer:
z = 36
Step-by-step explanation:
- Add nine to each side, so it now looks like this: z = 36