Complete the identity.cos2 
= ?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Write one or more inequalities that describe the set of points.The interior of the sphere x2 + y2 + x2 = 36
A. x2 + y2 + x2 ? 36 B. x2 + y2 + x2 ? 6 C. x2 + y2 + x2 < 36 D. x2 + y2 + x2 < 6
Mathematics
Find the time (in days). Round to the nearest day.Principal: $17,000Rate: 9.5%Interest: $942.08
A. 58 days B. 210 days C. 213 days D. 315 days
Mathematics
Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.f(x) = 19x4 - 9 + 0.18x2 - 6x
A. Quadratic; 0.18x2; 0.18; 2 B. Quartic; 19x4; 19; 4 C. Quadratic; x4; 19; 4 D. Constant; -9; -9; 0
Mathematics
Add or subtract.
+ 
A. 
B. 
C. 
D. 
Mathematics