Solve the problem.Frank can type a report in 7 hours. James takes 8 hours to type it. How long will it take the two of them typing together?
A. 56 hr
B. 
hr
C. 
hr
D. 3
hr
Answer: D
Mathematics
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Solve the inequality graphically. Give the solution in interval notation.Use the intersection method to solve -11x - 8 ? -12x - 6.
A. (-?, 2] B. [2, ?) C. (-?, -11) D. (-11, ?)
Mathematics
Write and solve an equation to answer the question. Round your answer to the nearest whole number, if necessary.566 animals is 11.3% of what number of animals?
A. 1 B. 50,090 C. 5009 D. 500,900
Mathematics
Solve the problem.The total length of a boat race is 
of a mile. Kira has completed 
of a mile. How much does she have left to complete?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Mathematics
Identify the conic by writing the equation in standard form.
?
?
A. ?
; ellipse
B. ?
; ellipse
C. ?
; ellipse
D. ?
; ellipse
E. ?
; circle
Mathematics