<h3>
<u>3</u><u>6</u> is the answer.</h3>
Step-by-step explanation:
Put value of b as given and using BODMAS rule,





Henve, value of of the given expression is 
X^2(2y+5)=240
x^2(2(5)+5)=240
x^2+(10+5)=240
x^2+15=240
minus 15 both sides
x^2=225
sqrt both sides
x=15
1.
A. (49-8)*2-16, 41*2-16, 82-16, 66, yep
B. 49-8*-14, 49+112, 161, nope
C. 7^(-16)-16, (1/(7^16))-16, nope
D. 49-16-16, 17, nope
A is answer
2.
2((a+b)²-b)
2((7+1)²-1)
2((8)²-1)
2(64-1)
2(63)
126
C is answer
4.
none of the options give the answer
Answer:
The answer to this question is positive 6.
Step-by-step explanation:
A negative divided by a negative is a positive.
The only way to do that is with +7 and -7 .