Add. Use a number line only as a check.3 + (-1)
A. -2
B. 4
C. 2
D. -4
Answer: C
Mathematics
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Find ? to four significant digits for 0 ? ? < 2?.cos ? = 0.2816
A. 1.285, 1.856 B. 1.285, 4.427 C. 1.285, 4.998 D. 0.2855, 3.427
Mathematics
Solve the problem.The space in a landfill decreases with time as given by the function 
where t is measured in years. How much space is left when t = 6?
A. 110 B. 320 C. 180 D. 200
Mathematics
Find the length of the indicated unknown side in the right triangle. Round to two decimal places, if necessary.Find side c.
A. c = 22.52 B. c = 6.5 C. c = 26 D. c = 7.51
Mathematics
If 
with A in QI, and 
with B in QIV, find
?
What will be an ideal response?
Mathematics