Solve.Two cyclists leave Springfield, Illinois at the same time. One travels north at 12 miles per hour and the other travels west at 16 miles per hour. How far apart are they after 4 hours? (Hint: Use d = rt to find the distance traveled by each cyclist.)
16 mph
A. 85 miles
B. 90 miles
C. 80 miles
D. 77 miles
Answer: C
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Solve the problem.A satellite in a circular orbit 822.8 mi above the earth makes one complete orbit every 85.44 min. What is its linear velocity? Use 3963 mi for the length of the radius of the earth.
A. 60.51 mi/min B. 351.9 mi/min C. 56.01 mi/min D. 408,900 mi/min
Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible.Six times a number, added to the sum of the number and four
A. 10x B. 6x + 4 C. (x + 4) + 6x; 7x + 4 D. 7x
Graph the function using transformations.f(x) = 
- 2
A. 
B. 
C. 
D. 
Solve the problem.A satellite dish has a parabolic cross section and is 10 ft deep. The focus is 4 ft from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.
A. 27 ft B. 25 ft C. 29 ft D. 33 ft