Solve the problem.Two angles are supplementary, and one is 40° more than three times the other. Find the smaller angle.
A. 105°
B. 145°
C. 35°
D. 75°
Answer: C
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Multiply the polynomials.(5x2 + 5x - 1)(x2 + 5x - 3)
A. 5x4 + 25x3 + 9x2 - 20x + 3 B. 5x4 + 30x3 + 10x2 - 20x + 3 C. 5x4 + 25x3 + 10x2 - 20x + 3 D. 5x4 + 30x3 + 9x2 - 20x + 3
Which property or identity justifies the statement?If 
< 
, then 
+ 
< 
+ 
.
A. Trichotomy Identity B. Transitive Property C. Addition Property D. Density Property
Solve the problem.A building 230 feet tall casts a 30 foot long shadow. If a person stands at the end of the shadow and looks up to the top of the building, what is the angle of the person's eyes to the top of the building (to the nearest hundredth of a degree)? (Assume the person's eyes are 6 feet above ground level.)
A. 82.30° B. 7.70° C. 82.57° D. 82.37°
Use the properties of limits to find the indicated limit.
A. ± 7 B. 7 C. 49 D. does not exist