Answer:
{121,144,169} X intersecting Y means common number between x and y set
 
        
             
        
        
        
Answer:
t=13
Step-by-step explanation:
the ratio of the shorter sides is t/4 and the ratio of the longer sides is 26/8 so t=26×4/8=104/8=13
 
        
                    
             
        
        
        
Answer:
Credit recovery is a term used to describe a wide variety of educational strategies and programs that give high school students who have failed a class the opportunity to redo coursework or retake a course through alternate means—and thereby avoid failure and earn academic credit.
Step-by-step explanation:
I'm not sure if this help but if it does good luck with it. 
 
        
             
        
        
        
Answer:
d
Step-by-step explanation:
Given y is directly proportional to x² then the equation relating them is
y = kx² ← k is the constant of proportion
To find k use the condition y =  when x =
 when x =  , then
, then
 = k(
 = k( )² =
 )² =  k ( multiply both sides by 8 )
 k ( multiply both sides by 8 )
1 = 2k ( divide both sides by 2 )
k = 
y =  x² ← equation of proportion
 x² ← equation of proportion
When y =  , then
 , then
 =
 =  x² ( multiply both sides by 2 )
 x² ( multiply both sides by 2 )
9 = x² ( take the square root of both sides )
x = ±  = ± 3
 = ± 3
with positive value x = 3 → d