Without using a calculator, give the exact trigonometric function value with rational denominator.cos 60°
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Convert 0.3 kilograms into ounces.
A. 300 oz B. 5.5 oz C. 10.5 oz D. 1.05 oz E. 0.0105 oz
Mathematics
Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-1, -5)} B. {(-2, -5)} C. no solution; ? D. {(-1, -6)}
Mathematics
Solve the equation.(p + 5)2 = 17
A. {
- 
}
B. {±
- 5}
C. {
- 5}
D. {±
+ 5}
Mathematics
Provide an appropriate response.If f(x) = (4x2 + 1)2, then f
=
A. 4. B. 0. C. 3. D. 2. E. -1.
Mathematics