Answer:
1-B
2-C
3-D
Step-by-step explanation:
In the attached file
The key is to cross 1 number from both sides till you get to the middle last number so the answer is 4
Answer: 
Step-by-step explanation:
Given: The sales of 10000 increased by 65% each year .
Let x be the number of years.
The rate of growth=65%= 0.65
The exponential growth function is given by

, where A is initial amount and r is the rate of growth in decimal.
Then the increase in the sales id given by :-

Option A. 5/8 is the correct answer.
Step-by-step explanation:
Square root by factorization will be used to solve this question.
Given

The square root can be applied to numerator and denominator separately

Factorization

Hence,
Option A. 5/8 is the correct answer.
Keywords: Square roots, factorization
Learn more about square root at:
#LearnwithBrainly