A triangle with vertices at (x1, y1), (x2, y2), and (x3, y3) has area equal to the absolute value of D, where D = 
.Find the area of the triangle having vertices at P, Q, and R.P(-3, 2), Q(1, -3), R(5, 1)
A. 0
B. 32
C. 18
D. 36
Answer: C
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Find the distance between the two points.(–4, –2) and (5, 10)
A. 15 B. 20 C. 18 D. 12 E. 13
Find the standard quota asked for. Round your answer to two decimal places if necessary.The table below gives the populations of four districts A, B, C, and D, among which a total of 60 seats are to be apportioned. 
Find the standard quota for District A.
A. 2.09 B. 28.50 C. 9000 D. 4300
One of the values r (radius), d (diameter), C (circumference), or A (area) is given for a particular circle. Find the indicated value. Leave ? in your answer.A = 169? m2; r = ?
A. 169 m B. 13? m C. 26 m D. 13 m
Use a CAS to plot the function near the point x0 being approached. From your plot guess the value of the limit.
A. 2
B. 1
C. 
D. 0