Decide whether or not the ordered pair is a solution of the system.(-2, 2)x + y = 0x - y = -4
A. Yes
B. No
Answer: A
Mathematics
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Solve the problem.In a certain year, world gold production was about 2400 metric tonnes and the United States produced 9 percent of that amount. How many pounds of gold did the United States produce? Round to the nearest pound.
A. 5,333,333 lb B. 388,800 lb C. 240 lb D. 480,000 lb
Mathematics
Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The book is 20 
long.
A. cm B. mm C. m D. km
Mathematics
Find the absolute value.|-6.9|
A. 6.9 B. -6.9 C. 0 D. 13.8
Mathematics
Write this word statement as an equation. Use x as the variable, and find all solutions from the set 
32 divided by a number equals 
times that number.
A. 
= 
x; No solution
B. 
= 
x; 32
C. 
= 2x; 8
D. 
= 
x; 8
Mathematics