Translate the problem to a system of equations and then solve.Two angles are complementary (their sum is 90°). The sum of the first angle plus twice the second angle is 122°. Find the measures of the angles.
A. 53°, 37°
B. 148°, 32°
C. 58°, 32°
D. 68°, 27°
Answer: C
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Find the derivative of the function by using the definition.y = x3 + 16x - 6
A. 3x2 + 16 B. 3x2 + 16x - 6 C. 3x2 + 16x D. 3x3 + 16
Solve the problem.If all of 82 available apple trees are to be planted on a plot of land, is there more than one possible array in which they can be arranged with the same number of trees in each row? If so, how many different arrays are there?
A. Yes, two. B. No C. Yes, three.
Give the domain and range of the relation.{(3, 3), (-2, -2), (-7, -7), (4, 4)}
A. domain: {-7, -2, 3, 4}; range: {-7, -2, 3, 4} B. None of these C. domain: {3, 4}; range: {-7, -2} D. domain: {-7, -2}; range: {3, 4}
Use the distributive property to simplify.9(x + 2)
A. 9x + 11 B. 9x + 18 C. 9x + 2 D. x + 18