Solve the problem. Round to the nearest hundredth, if necessary.What is 10% of 400?
A. 0.4
B. 40
C. 4
D. 400
Answer: B
Mathematics
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Solve the problem.The parabola y2 = -28x is shifted 7 units down and 4 units to the right. Find the focus and directrix of the new parabola.
A. Focus: (-7, -3); Directrix: y = 11 B. Focus: (11, -7); Directrix: x = 11 C. Focus: (-3, -7); Directrix: x = -3 D. Focus: (-3, -7); Directrix: x = 11
Mathematics
Solve.A door contains two hinges. A builder is constructing an office building with two doors in each office. How many hinges are needed if the building has 49 offices?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Multiply and simplify.
? 
A. - 
B. 
C. 
D. -12
Mathematics
Graph the function.y = 2 csc|x| 
A. 
B. 
C. 
D. 
Mathematics