Find an equation for the ellipse described.Center at (0, 0); focus at (0, 4); vertex at (0, -7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Solve the problem.A rocket is fired at an angle of 20° with the ground. Find the distance traveled by the rocket when it has reached an altitude of 192 feet. Give your answer to the nearest foot.
A. 70 ft B. 180 ft C. 561 ft D. 66 ft
Mathematics
Provide an appropriate response.If f(x, y, z) = (2x + y2 + z)3, then 
=
A. 24y B. 2x + y2+ z C. 3 + 2y D. 6(2x + y2 + z) E. 0.
Mathematics
Write the number that represents the decimal.fifteen and seven thousandths
A. 15.0007 B. 15.007 C. 15.07 D. 15.7
Mathematics
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.(243k5m-10)1/5
A. 3km2
B. 
C. 
D. 5km2
Mathematics