A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given.A = 
(b + B)h; A = 70, b = 19, B = 16
A. h = 304
B. h = 17.5
C. h = 4
D. h = 35
Answer: C
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Provide an appropriate response.Find the indicated part of the right triangle in the given figure by the most direct method. 
A. 67.1° B. 21.3° C. 68.7° D. 22.9°
Factor and simplify the expression.1 - sin3x
A. (1 - sin x)(1 - 2 sin x + sin2x) B. (1 - sin x)(cos x + sin2x) C. (1 - sin x)3 D. (1 - sin x)(1 + sin x + sin2x)
Find a modified divisor that will give modified quotas to produce the desired number of seats. Use rounding up for the standard quotas. 12 seatsPopulation 1st Precinct37,000 2st Precinct22,000 3st Precinct13,000 4st Precinct46,000 TOTAL118,000?
A. 12,733 B. 11,700 C. 12,433 D. 11,200 E. 11,400
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
?
A. x = 1, y = -3, z = 0, w = 3; (1, -3, 0, 3) B. x = 1, y = 3, z = 0, w = -3; (1, 3, 0, -3) C. x = -1, y = 3, z = 0, w = -3; (-1, 3, 0, -3) D. x = -1, y = -3, z = 0, w = 3; (-1, -3, 0, 3)