Answer: It's the second option
Step-by-step explanation:
No her estimate is to low because if you multiply 15.5 by 12 you get 186
The first incorrect is the second step so choice B. ,bc. the exponents need assuming not multiply
hope helped
2x^2 - 11 = 87
2x^2 = 87 + 11 = 98
x^2 = 98/2 = 49
x = sqrt (49) = + or - 7
Answer:
151
Step-by-step explanation:
