X=0
i simply just did
x+7=x^2+2x+7
-7 -7
x=x^2+2x
then i just isolated the variable. the only number that could fit was 0
Answer:
i have a website for this its called math
w ae but the e is a y
Step-by-step explanation
30:60:90 is 3:6:9 in ratio form
the sample would be the number polled - 50,000
the population would be all college students
