Solve. Try factoring first. If factoring is not possible or is difficult, use the quadratic formula.25k2 - 81 = 0
A. 
, - 
B. 9, 0
C. 
, - 
D. 
, 0
Answer: C
Mathematics
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Solve the problem. Round results to an appropriate number of significant digits.From a balloon 1028 ft high, the angle of depression to the ranger headquarters is 45.9°. How far is the headquarters from a point on the ground directly below the balloon?
A. 996 ft B. 991 ft C. 1001 ft D. 986 ft
Mathematics
Find the least common multiple (LCM) of the pair of numbers.8x and 24y
A. 32xy B. 24xy C. 192xy D. 8xy
Mathematics
Evaluate using a calculator. Express answers to the nearest ten-thousnadth.log 2,256
A. 7.7213 B. 3.3533 C. 2.8533 D. 8.2213
Mathematics
Factor out the GCF from the polynomial.54x9y9+ 18x3y5 + 27x5y2
A. 9(6x9y9 + 2x3y5 + 3x5y2) B. 9x3y2(6x6y7 + 2y3 + 3x2) C. x3y2(54x6y7 + 18y3 + 27x2) D. 9x3(6x6y9 + 2y5 + 3x2y2)
Mathematics