There’s not actually a question. But I might be able to help if u show the full problem
D.45 minutes
is the correct answer...
through this graph we get that
1point=3/2minutes..
therefore
30 points =3/2 30=45 minutes...
HOPE IT HELPS YOU '_'
Step-by-step explanation:
(3,3)====(3,-3)
(3,2)====(2,-3)
(5,2)====(2,-5)
You have $1.75 left
Step-by-step explanation:
Given,
Number of quarters already have = 20
Percent of quarters found = 40% of already have
Number of quarters found = 
Number of quarters found = 
Number of quarters found = 8
New total = 20+8 = 28 quarters
Percent of quarters spent = 75%
Number of quarters spent = 
Number of quarters spent = 
Number of quarters spent = 21
Quarters left = 28-21 = 7
1 quarter = 25 cents
7 quarters = 25*7 = 175 cents
$1 = 100 cents
175 cents = 
You have $1.75 left
Keywords: division, addition
Learn more about division at:
#LearnwithBrainly
Answer:
The variance is 
Step-by-step explanation:
From the question we are told that
The sample size is n = 21
The sum of squares is 
Generally the variance is mathematically represented as

substituting values

