Simplify.
A. 0
B. 1
C. -1
D. -16
Answer: C
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Solve the problem.Last year the hatchback model of a new car cost $15,566. This year's model costs $16,948. How much more does this year's model cost?
A. $1282 B. $31,514 C. $1382 D. $32,514
Find the volume of the solid. Use 
for ?.
A. 268
cu cm
B. 50
cu cm
C. 804
cu cm
D. 25
cu cm
Solve the problem.Two boats leave a dock at the same time. One boat is headed directly east at a constant speed of 35 knots (nautical miles per hour), and the other is headed directly south at a constant speed of 22 knots. Express the distance d between the boats as a function of the time t.
Fill in the blank(s) with the appropriate word(s).
Change the quantity into the indicated unit. Round to the nearest tenth.247 mi ? 
km
A. 397.7 km B. 261.8 km C. 153.4 km D. 233.7 km