Solve.-6a + 5 + 7a = 13 - 21
A. a = -13
B. a = -39
C. a = 39
D. a = 13
Answer: A
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A. V = Bh
B. V = Bh3
C. V = 3Bh
D. V = 
Bh
Find the derivative of y with respect to x.y = 3 sin-1 (5x4)
A. 
B. 
C. 
D. 
Answer the following statement(s) true (T) or false (F)
1. If triangle ABC and triangle DEF are both 30°-60° triangles, then AB must be congruent to DE 2. An angle of degree measure 180° is a reflex angle. 3. Postulates are statements we assume to be true without proof. 4. Any three points are contained in exactly one plane. 5. A right triangle has two acute angles.
Solve the problem.Given that the polar equation r = a(1 - e2)/(1 + e cos ?) models the orbits of planets about the sun, estimate the closest possible approach of a planet for which 
and 
to a planet for which 
and 
A. 36 astronomical units B. 67 astronomical units C. 0 astronomical units D. 26 astronomical units