#13 is 3000 because since each T-shirt is $650 and they buy 4 you multiply and get $2600 and since she received 400 dollar change then you add that value to the total cost and get 3000 that means she paid 3000
#14 is a millennium
1 year is 365 days
1 decade is 10 years
1 century is 100 years
1 millennium is 1000 years
So it has to be 1 millennium since 1000 years is the most out of the others
Since the quotient of the two decimal numbers is 1, that tells use that they are the same number.
Since the sum of the two numbers equals 1 and both numbers are the same, then the answer must be 1 divided by 2. or .5
the fractions would be 1/2 and 1/2
Answer:

Step-by-step explanation:
Given

Required
Calculate one of the root of the equation

Factorize


Split equation

Make x the subject of formula in both expressions


<em>From the list of given options, one of the roots of the equation is</em> 
The equation <u>6 + 9a = 51</u> can help find out how many adults were in the group.