Answer:
4/7= 12/21- mutiply the fraction by 3
(4)(3)/(7/(3)= 12/21
4/7= 16/28 - mutiply by 4
4/7= 20/35- mutiply by 5
13x because you are saying the product of 13 that means 13x
Answer:

Step-by-step explanation:
Given expression is,

By using the law of logarithm,



By comparing exponents on both the sides of the equation,


Therefore,
will be the answer.
Answer:
Test's average-95
Homework's average-96.67
Step-by-step explanation:
Average is mathematically defined as the sum of the values divided by the total number of values and is expressed as:

The Tests' average is calculated as:

Hence, the Tests' average is 95
#The Homework's average is calculated as:

Hence, the Homework's average is 96.67
Answer:
The 12.6 oz bottle
Step-by-step explanation:
0.19/oz for the 12.6 oz
0.21/oz for the 25.3 oz