Simplify.|-12| - |-6|
A. 18
B. -18
C. -6
D. 6
Answer: D
Mathematics
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Suppose 
is a linear function with slope 2.99. Suppose further that 
when 
style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_6b9123a106824d75a75e3597a" />. Use a formula to express 
as a function of 
.
?
A. 
B. 
C. ?
D. 
Mathematics
Solve by using the quadratic formula:
A) 1, 3
B) 1, 5
C) –3, 3
D) 1, –2
E) No real number solution
Mathematics
Simplify the expression.
?
?
A. 
B. 
C. 0
D. 
E. 
Mathematics
Find the unknown sides of the right triangle (see illustration). Round your answer to the appropriate number of significant digits.
A. a = 275 cm, c = 285 cm B. a = 68.2 cm, c = 100 cm C. a = 71.3 cm, c = 275 cm D. a = 19.8 cm, c = 76.4 cm E. a = 285 cm, c = 71.3 cm
Mathematics