Perform the indicated operation. Simplify the result if possible.18 yd 2 ft + 6 yd 1 ft
A. 12 yd 1 ft
B. 25 yd
C. 24 yd
D. 24 yd 2 ft
Answer: B
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Solve the problem. Round rates to the nearest tenth of a percent and dollar amounts to the nearest cent.A jewelry store purchased 80 fashion watches for $2400. If the store sold 40 watches at $60, 32 watches at $54, and the rest at $30, find (a) the total markup, (b) the markup percent on selling price, and (c) the equivalent markup percent on cost.
A. $1968, 45.1%, 82% B. $1968, 82%, 45.1% C. $2400, 55%, 72% D. $4368, 100%, 182%
The 2× 2 Leslie matrix for a population of birds has eigenvalues r = 1.2 and r = 1.4 . Find the long-term growth rate for the population.
What will be an ideal response?
Determine the standard equation of the ellipse described.Center at (-4, 5); focus at (-6, 5); ellipse passes through the point (-7, 5).
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
For the given demand function, find the value(s) of x for which total revenue is a maximum.x = D(x) = 900 - 5x
A. 144 B. 180 C. 90 D. 360