Answer:
x²+5x-49
Step-by-step explanation:
-7² -x+6x+x²
combine like terms
-x+6x is 5x
simplify -7² is -49
now rewrite the equation
x²+5x-49
Answer:
9,801
Step-by-step explanation:
99*99=9,801
Interest from first account is :

Interest form second account is :

So, total interest is :

Therefore, total interest is $77.877 .
Answer:
C. y=11
Step-by-step explanation:
6y-6=4y+16
6y=4y+22
2y=22
y=11