Use a determinant and the given vertices of a triangle to find the area of the triangle.
?
?
A. ?
B. 4
C. ?
D. 
E. 7
Answer: E
Mathematics
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Solve the problem.You just put $1140 in a CD that is expected to earn 3% compounded quarterly, and 
in a savings account that is expected to earn 2% compounded semiannually. Determine when, to the nearest year, the values of your two investments will be the same.
A. 426 years B. 327 years C. 131 years D. 229 years
Mathematics
Find the product.10x4(-8x6 - 7x3)
A. -80x10 - 7x3 B. -150x4 C. -80x10 - 70x7 D. -150x10 - 150x7
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.x3 - 36x + 4x2 - 144
A. prime B. (x2 - 36)(x + 4) C. (x + 6)(x - 6)(x + 4) D. (x - 6)2(x + 4)
Mathematics
Decompose into partial fractions.
A. 2x - 5 - 
+ 
B. 2x + 5 - 
+ 
C. 2x + 5 - 
+ 
D. 2x - 5 - 
+ 
Mathematics