Find an equation for the ellipse described.Center at (0, 0); focus at (-7, 0); vertex at (8, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Find the indicated derivative. Assume that x is restricted so that ln is defined.
if y = ln (x + 3)4
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Julio has found that his new car gets 36 miles per gallon on the highway and 31 miles per gallon in the city. He recently drove 314 miles on 9 gallons of gasoline. How many miles did he drive on the highway? How many miles did he drive in the city?
A. 252 miles on the highway, 62 miles in the city B. 238 miles on the highway, 76 miles in the city C. 231 miles on the highway, 83 miles in the city D. 217 miles on the highway, 97 miles in the city
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Subtract.13.158 - 11.129
A. 2.229 B. 2.129 C. 24.287 D. 2.029
Mathematics