Write the number in decimal notation without the use of exponents.-7.19 × 106
A. -7,190,000
B. 7,190,000
C. -71,900,000
D. -719,000
Answer: A
Mathematics
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Solve.A railroad tunnel is shaped like a semi-ellipse. The height of the tunnel at the center is 54 ft and the vertical clearance must be 18 ft at a point 8 ft from the center. Find an equation for the ellipse.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the problem.Write an expression for the perimeter of the figure shown. Then simplify the expression. All measures are in inches.
A. (4
- 12) in.
B. 4
in.
C. 97 in.
D. (4
+ 12) in.
Mathematics
Find the opposite (additive inverse) of the number.
A. 0
B. -28
C. 28
D. - 
Mathematics
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Mathematics