Answer:
y + 12
Step-by-step explanation:
1. remove parentheses.
10 + 2 + y
2.collect like terms.
y + ( 10 + 2)
3. simplify.
y + 12
Therefor, the answer is. y + 12
Answer:
Luis
Step-by-step explanation:
One hour is 60 minutes total, leaving and extra 30 minutes for Ava, which is half of 60. So, in fraction form, she walked 1 1/2 OR 1 2/4 hours, which is less than Luis. He walked about an hour and 45 minutes total, or 105 minutes.
Answer:
k=8
Step-by-step explanation:
Question says that given expression is 
Now we need to rewrite that expression in form of
.
To do that we need to simplify given problem
.
x is same as 

we can begin with inner parenthesis




Now compare that with
, we get:
k=8
Which is different value that Linda got.
Hence answer of the Linda is wrong.
Answer:
mean
Step-by-step explanation:
9, 10, 10, 10, 11, 12, 12, 13, 15
mean = 11.3 is the sum of the number divided by number of terms
median=11 is the middle value
range= 6 is the difference between the largest and smallest amount
mode=10 is the term that occurs the most