Subtract. Simplify, if possible.
- 
A. 
B. 
C. 
D. 
Answer: B
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Write the function using function notation. Let x be the independent variable and y be the dependent variable. Use the letter f to name the function.y = 
A. y = 
B. f(x) = x
C. f(x) = 
D. f(x) = 3x
Solve the rational equation symbolically, numerically, or graphically.1 + 
= 
A. - 
, 
B. -7, 6
C. 7, 6
D. 7, -6
Solve the problem.The owner of Nuts2U Snack Shack mixes cashews worth $5.75 a pound with peanuts worth $2.00 a pound to get a half-pound, mixed-nut bag worth $1.70. How much of each kind of nut is included in the mixed bag?
A. Cashews: 0.07 lb; peanuts: 0.43 lb B. Cashews: 0.19 lb; peanuts: 0.31 lb C. Cashews: 0.10 lb; peanuts: 0.40 lb D. Cashews: 0.31 lb; peanuts: 0.19 lb
Solve the problem.The area of a triangle with vertices (x1, y1), (x2, y2), and (x3, y3) is 
,where the symbol ± indicates that the appropriate sign should be chosen to yield a positive area. Use this formula to find the area of a triangle whose vertices are (6, 10), (8, -8), and (-9, -4).
A. 3 B. 298 C. 149 D. 6