Solve by the quadratic formula.8x2 + 3x + 6 = 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve.A roof is inclined at an angle of 57.84°. Find the complement of this angle.
A. 33.16° B. 32.26° C. 33.26° D. 32.16°
Mathematics
Write the series using summation notation.48 + 58 + 68 + 78 + 88 + 98
A. 
B. 
C. 
D. 
Mathematics
Solve. If necessary, round answers to the nearest tenth unless stated otherwise.A hot-air balloon exerts a 1100 lb pull B on a tether line at a 60° angle with the horizontal. Resolve the vector B into components.
A. Horizontal: 550 lb, vertical: 952.6 lb B. Horizontal: 1270.2 lb, vertical: 2200 lb C. Horizontal: 2200 lb, vertical: 1270.2 lb D. Horizontal: 952.6 lb, vertical: 550 lb
Mathematics
Find an algebraic expression equivalent to the given expression.sin (tan-1 
)
A. 
B. 
C. 
D. 
Mathematics