Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 10
- 2x
A. 8x
B. 10
- 2x
C. 8x
D. 12
Answer: A
Mathematics
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A doctor orders 40 mg/m2 of prednisone for a patient who weighs 160 lb and is 5 ft 8 in tall. How many mg of this drug should be administered?
A. 74 mg B. 139 mg C. 70 mg D. 120 mg
Mathematics
Solve by using the percent proportion 
= 
.19 is 1% of what?
A. 
= 
; b = 1900
B. 
= 
; b = 19,000
C. 
= 
; a = 19
D. 
= 
; p = 190
Mathematics
Evaluate using the correct order of operation.
÷ 
A. 
B. 
C. 
D. 1
Mathematics
Graph the numbers on a number line.- 3
, - 
, 0, 
A. 
B. 
C. 
D. 
Mathematics