Solve the problem.Find the area of the right triangle ABC with A = (-2, 7), B = (7, -1), C = (3, 9).
A. 29 square units
B. 
square units
C. 58 square units
D. 
square units
Answer: A
Mathematics
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Find the specified vector or scalar.v = 8i + 5j; Find 
.
A. -6
B. 6i
C. 6
D. 6
Mathematics
Solve.Assume that the mathematical model C(x) = 13x + 170 represents the cost C, in hundreds of dollars, for a certain manufacturer to produce x items. How many items x can be manufactured while keeping costs between between $355,000 and $524,000?
A. 420 < x < 560 B. 260 < x < 390 C. 280 < x < 420 D. 390 < x < 520
Mathematics
Write the equation either in the form (y - k)2 = a(x - h) or (x - h)2 = a(y - k).y2 - 2y - 4x + 13 = 0
A. (y - 1)2 = 4(x + 3) B. (y + 1)2 = -4(x - 3) C. (y + 1)2 = 4(x - 3) D. (y - 1)2 = 4(x - 3)
Mathematics
Decide if the statement is true or false.-26 ? -(-14)
A. False B. True
Mathematics