Solve the SSA triangle. Indicate whether the given measurements result in no triangle, one triangle, or two triangles. Solve the resulting triangle. Round the answer to the nearest tenth.b = 3, c = 4, B = 80°
A. B = 40°, A = 60°, a = 7
B. C = 41°, A = 59°, a = 11
C. C = 39°, A = 61°, a = 9
D. No triangle exists.
Answer: D
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If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the velocity vector.r(t) = (cot t)i + (csc t)j
A. v = (-sec2 t)i - (tan t sec t)j B. v = (-csc2 t)i - (cot t csc t)j C. v = (sec2 t)i + (tan t sec t)j D. v = (csc2 t)i + (cot t csc t)j
Evaluate the expression.271/3
A. 9 B. 81 C. 243 D. 3
Solve the problem.The function F described by F(C) = 
C + 32 gives the Fahrenheit temperature corresponding to the Celsius temperature C. Find and interpret F(-20).
A. -4°F; A temperature of -4°C is equivalent to -20°F. B. -40°F; A temperature of -20°C is equivalent to -40°F. C. -4°F; A temperature of -20°C is equivalent to -4°F. D. -112°F; A temperature of -20°C is equivalent to -112°F.
Write the English phrase as an algebraic expression, then simplify the expression. Let x represent the number.The product of 2 and a number, which is then added to the product of 11 and the number.
A. 11x + 2x; 22x B. 2x ? 11x; 22x C. 11x + 2x; 13x D. 11x - 2x; 9x