Solve. Remember to insert units when writing your answer.Five milligrams of preservatives are added to a 0.5-kg box of dried fruit. How many milligrams of preservatives are in 8 cartons of dried fruit if each carton contains 18 boxes?
A. 144 mg
B. 720 mg
C. 72 mg
D. 360 mg
Answer: B
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Solve the problem.A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, the angle of depression to the boat is 13° 12'. When the boat stops, the angle of depression is 49° 49'. The lighthouse is 200 feet tall. How far did the boat travel from when it was first noticed until it stopped? Round to the nearest foot.
A. 668 ft B. 706 ft C. 729 ft D. 684 ft
Simplify the expression. Write the result using positive exponents only.
A. x3
B. 
C. 
D. 
Provide an appropriate response.Why should you simplify each term in a radical expression before attempting to collect like radical terms?
What will be an ideal response?
Factor the difference of squares.169k2y - 25ym2
A. y(13k - 5m)2 B. (169ky + ym)(k - 25m) C. y(13k + 5m)(13k - 5m) D. (13ky + 5ym)2