Solve the equation on the interval 0 ? ? < 2?.2 cos2 ? - 3 cos ? + 1 = 0
A. 
B. 
C. 
D. 
Answer: C
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List the numbers from smallest to largest.56,700,000; 8.59 × 108; 2.2 × 106; 172,900,000
A. 2.2 × 106; 56,700,000; 8.59 × 108; 172,900,000 B. 2.2 × 106; 56,700,000; 172,900,000; 8.59 × 108 C. 2.2 × 106; 172,900,000; 56,700,000; 8.59 × 108 D. 8.59 × 108; 172,900,000; 56,700,000; 2.2 × 106
Evaluate.
2
A. 
B. 
C. 
D. 
Identify the polynomial as a monomial, binomial or trinomial.15x
A. Binomial B. Monomial C. Trinomial
Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked. An auto repair shop charged a customer $196 to repair a car. The bill listed $76 for parts and the remainder for labor. If the cost of labor is $30 per hour, how many hours of labor did it take to repair the car?
A. 3 hours B. 5 hours C. 4.5 hours D. 4 hours