Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y.
x + 
y = 4
x + 
y = 2
A. 
or 
B. (0, 12)
C. 
D. no solution
Answer: A
Mathematics
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Find the product.(-18)(-22)
A. 3960 B. 396 C. 414 D. 296
Mathematics
Perform the indicated operation.
A. p - 4
B. p - 4 + 
C. p + 4 + 
D. p - 5 + 
Mathematics
Provide an appropriate response.
A submarine locates a ship with sonar. The distance between the two is 3,500 feet. The angle of elevation of the submarine to the ship is 37°. Approximately how deep is the submarine below the ship? 
A. 2,637 ft B. 2,795 ft C. 4,645 ft D. 2,106 ft
Mathematics
If the expression is in exponential form, write it in radical form. If it is in radical form, write it in exponential form.
A. (
x + 
y)1/2
B. (5x + 3y)1/4
C. (5x + 3y)1/2
D. (5x + 3y)2
Mathematics