Solve the problem.One day 50 mail carriers at a hospital were sick with the flu. If this was 50% of the entire number of mail carriers at the hospital, how many mail carriers were there altogether at the hospital?
A. 1000 mail carriers
B. 100 mail carriers
C. 2500 mail carriers
D. 25,000 mail carriers
Answer: B
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Mathematics
A cannon fires a cannonball as shown in the figure. The path of the cannonball is a parabola with vertex at the highest point of the path. If the cannonball lands 800 ft from the cannon and the highest point it reaches is 1600 ft above the ground, find an equation for the path of the cannonball. Place the origin at the location of the cannon.
 figure 1.png)
Mathematics
Find A-1 if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Mathematics
Factor the expression completely.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics