Simplify the expression without a calculator.49-3/2
A. -343
B. 343
C. 
D. - 
Answer: C
Mathematics
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Identify the type of surface represented by the given equation.
+ 
+ 
= 1
A. Ellipsoid B. Paraboloid C. Sphere D. Elliptical cone
Mathematics
Find the values of x for which the equation is true.
- 4 = 8
A. 4, -4 B. 12 C. -12 D. 12, -12
Mathematics
Simplify the complex rational expression using Method I or Method II.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Jack borrowed $320 from his brother. Jack's brother wants 6 monthly payments of $85 to repay the loan. How much extra is Jack's brother charging for the loan?
A. $510 B. $190 C. $105 D. $610
Mathematics