Answer:
14
Step-by-step explanation:
you add them all up and divide by how much there are
(10+11+12+13+14+15+16+17+18)=126
(126/9)=14
Gretchen ran 48 meters in nine seconds, x+time (9) and y= meters (48)
i hope this helped :)
Answer: +42x
Step-by-step explanation:
The student only multiplied each term individually.
He should have (7x+3)² = (7x+3)(7x+3)
Which is 49x²+42x+9
Therefore the error is (42x) or the failure to apply the law of multiplication of variables in a bracket.
Answer:
A. because 3.7 ×2 is 7.4. so the full answer would be 7.4 ×10^4