Solve.On a map, the length of a nature-center trail is 8.5 cm. If the scale is 3 cm to 43 km, what is the actual length of the trail? Round your answer to the nearest tenth, if necessary.
A. 121.8 km
B. 243.6 km
C. 125.8 km
D. 122.8 km
Answer: A
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+ 
A. 
B. - 
C. 
D. - 
Convert the polar number 1.35(cos235°+isin235°) to rectangular form.
What will be an ideal response?
Solve the problem.A rectangular board is 6 by 16 units. How far from the short sides of the board will the foci be located to determine the largest elliptical tabletop?
A. 3.0 B. 7.4 C. 5.0 D. 0.6
Write an algebraic expression for the specified quantity.Stevie bought a stereo for $245 and put it on sale at his store at a 55% markup rate. Let x = the price of the stereo before it was marked up. Write an algebraic expression in x for "the amount of markup on the stereo."
A. 0.55x B. x + 0.55x C. x - 0.55x D. 1.55x