Factor.x2 - x - 42
A. (x + 7)(x - 6)
B. (x + 1)(x - 42)
C. (x + 6)(x - 7)
D. Prime
Answer: C
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Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
A bus company operates four bus routes (A, B, C, and D) and 100 buses. The buses are apportioned among the routes on the basis of average number of daily passengers per route which is given in the following table.
Find the apportionment of the buses among the routes using Jefferson's method.
A. Route A: 13; Route B: 36; Route C: 19; Route D: 32 B. Route A: 12; Route B: 37; Route C: 20; Route D: 31 C. Route A: 12; Route B: 37; Route C: 19; Route D: 32 D. Route A: 13; Route B: 36; Route C: 20; Route D: 31 E. none of these
Simplify using order of operations.5 ? 9 - 9 ? 4 + 2 ? 5
A. 55 B. -19 C. 19 D. -55
Perform the operation and simplify, or solve the equation for the variable.
+ 
- 
A. 
B. 
C. 
D. 