151.5 miles
Step-by-step explanation:
50.5 × 3 = 151.5
Answer:
−b4+2b2+35
Step-by-step explanation:
b2+5)(−b2+7)
=(b2)(−b2)+(b2)(7)+(5)(−b2)+(5)(7)
=−b4+7b2−5b2+35
Answer:
cscA = 
Step-by-step explanation:
Using the identity
csc x =
, then
sinA =
=
=
=
, thus
cscA =
= 
Answer:
3n+7=16
Step-by-step explanation:
3(3)+7=16
9+7=16
16=16
The second one is wrong(x=18)