Perform the calculation.90° - 38°24'40"
A. 51°35'20"
B. 51°36'20"
C. 51°35'19"
D. 52°36'20"
Answer: A
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Solve the problem.A conical tank is resting on its apex. The height of the tank is 
, and the radius of its top is 
. The tank is full of gasoline weighing 
How much work will it take to pump the gasoline to a level 
above the cone's top? Give your answer to the nearest ft ? lb.
A. 775,848 ft ? lb B. 415,633 ft ? lb C. 83,127 ft ? lb D. 166,253 ft ? lb
Solve the differential equation.x 
= y + (x2 - 4)2
A. y = 
x4 - 32x ln x+ cx
B. y = 
x3 - 8x - 
+ c
C. y = 
x4 - 8x2 - 16 + cx
D. y = x4 - x2 - 16 + cx
Use the commutative and/or associative laws to write a series of steps verifying the given statement.5 + (a + b) is equivalent to b + (5 + a)
What will be an ideal response?
Prove the formula for all natural numbers n.
?
?
List the steps involved.
What will be an ideal response?