She missed 3 questions,
11/100 equals x/26
^set up this proportion
you get 286 equals 100x
and x equals 2.86
round this to 3 questions
to check your work, do 23/26
Answer:
Y=7 X=1
Step-by-step explanation:
if need an explanation please ask
Answer:
and 
Step-by-step explanation:
when you solve for r in the given equation, you need to apply the square root property, which gives positive and negative answers (both should therefore be considered):

then you need to include these two possible solutions:
and 
Rang(1,2,3,4) only X, Y mean the domain
Answer:
9/100
Step-by-step explanation: