I believe the number is 406,152
A. Surveying the students about their favorite type of math problem.
and
C. Sampling water for contaminants
Answer:
169
Step-by-step explanation:
7 + 6 = 13
13² = 169
hope this helps
<em><u>answers</u></em>
y=2×2+3×-1 and x+ y= -1
Step-by-step explanation:
y =2×2+3x-1and x + y =1y= -2×2+3x-7 and x+y=-2x3x-1and x+y =-1
