Solve the problem.A rectangular patio has dimensions 10 feet by 15 feet. The patio is surrounded by a border with a uniform width of 3 feet. Find the area of the border.
A. 84 ft2
B. 186 ft2
C. 114 ft2
D. 162 ft2
Answer: B
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Determine whether the syllogism is valid or invalid.All astronauts are healthy.Lawrence is not healthy. ? Lawrence is not an astronaut.
A. Invalid B. Valid
Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km. Find the distance between City E, 35° N and City F, 44° S. (Round to the nearest kilometer.)
A. 1005 km B. 997 km C. 8824 km D. 8832 km
Solve the problem.A figure skater must trace a figure eight on the ice that consists of two perfect circles, each with a radius of 
How far does the skater go one time around the figure eight? 
3.14 to approximate 
A. 138.16 ft. B. 34.54 ft. C. 69.08 ft. D. 32.54 ft.
Write an equivalent expression without negative exponents.
A. 
B. - 
C. - 
D. 