Use the FOIL method to find the product. Express the product in descending powers of the variable.(2x2 + 5)(4x2 - 12)
A. 6x4 - 4x2 - 4
B. 8x4 - 4x2 - 4
C. 8x4 - 4x2 - 60
D. 6x4 - 4x2 - 60
Answer: C
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Solve the problem.A bullet is fired with a muzzle velocity of 1228 ft/sec from a gun aimed at an angle of 6° above the horizontal. Find the vertical component of the velocity.
A. 129.1 ft/sec B. 1179 ft/sec C. 128.4 ft/sec D. 1221 ft/sec
Solve the inequality: 0.5?log x<2
What will be an ideal response?
Simplify. Express answers with positive exponents only.(45a)5
A. 45a5 B. 410a5 C. 425a5 D. 410a
Solve the problem.The resistance of a wire varies directly as the length of the wire and inversely as the square of the diameter of the wire. A 20 foot length of wire with a diameter of 
has a resistance of 
What would the resistance be for a 
length, with diameter 
of the same kind of wire ?
A. 402 ohms B. 387.5 ohms C. 390 ohms D. 383 ohms