Solve the triangle, if possible. Approximate values to the nearest tenth when appropriate.a = 2.6, ? = 24.8°, ? = 90°
A. ? = 65.2°, b = 0.1, c = 2.6
B. ? = 65.2°, b = 2.8, c = 3.8
C. ? = 65.2°, b = 2.8, c = 2.9
D. ? = 65.2°, b = 1.2, c = 2.9
Answer: D
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Divide.-3.5 ÷ 0.07
A. -50
B. 
C. -34.3
D. -3.43
Find the equilibrium values for B and F .
Chemicals enter a house’s basement air. Let F (t ) and B(t ) be the amount of chemical (in mg m3 ) in the first floor air and the basement air after t minutes, respectively. Let’s suppose that the rate of change of F and B are given by the equations: B'= -0.018B + 0.72 and F' = 0.015B - 0.036F. What will be an ideal response?
Write the polynomial in standard form and identify the zeros of the function.f(x) = x (x + 3)(x + 2 - i)(x + 2 + i)
A. f(x) = x3 + 7x2 + 17x + 15; zeros -3, -2 + i, -2 - i B. f(x) = x4 + 7x3 + 17x2 + 15x; zeros 0, -3, -2 + i, -2 - i C. f(x) = x4 + 7x3 + 17x2 + 15x; zeros 0, -3, 2 + i, 2 - i D. f(x) = x4 + 7x3 + 15x2 + 9x; zeros 0, 3, 2 + i, 2 - i
Provide an appropriate response.A proper fraction has the form 
. What is the largest possible number that x can be?
A. 21 B. 20 C. 22 D. 10.5