Find the exact value of the expression. Do not use a calculator.cos 
+ tan 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them. 2x + y = -1 4x + 2y = -2
A. Inconsistent B. x = -5, y =-2 C. x = 2, y = -5 D. x = -5, y = 2
Mathematics
Use the substitution formula to evaluate the integral.
A. - 
B. - 
C. 
D. 
Mathematics
Solve the problem.A bottle of ketchup has a net weight of 24 ounces. A serving size is 
ounce. How many servings are in the bottle?
A. 6 servings B. 49 ounces C. 48 servings D. 12 servings
Mathematics
Find an equation for the ellipse described.Center at (0, 0); focus at (-2, 0); vertex at (3, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics