Solve the inequality. Write the solution set in interval notation.x2 + 9x ? 0
A. (-?, -9] ? [0, ?)
B. (-?, -9]
C. [-9, 0]
D. [0, ?)
Answer: A
Mathematics
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How many square feet of sheet metal are needed for the sides of the cylindrical tank shown in the illustration? (Allow 3 in. for seam overlap.)
?
?
A. 49 ft 2 B. 94 ft 2 C. 120 ft 2 D. 97 ft 2 E. 190 ft 2
Mathematics
(8, -2), (1, 2)
A. - 10
B. - 
C. - 
D. - 
Mathematics
Use the quadratic formula to solve the equation. Simplify any radicals.2x2 = 3x - 9
A. 
B. 
C. 
D. ?
Mathematics
Solve. Write the fraction in simplest form.The total length of a bicycle race is 
of a mile. Gretta has completed 
of a mile. How much does she have left to complete?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Mathematics