Provide an appropriate response.If x and y are both negative and x is to the left of y on a number line, then which inequality best describes the relationship between x and y?
A. x ? y
B. x ? y
C. x > y
D. x < y
Answer: D
Mathematics
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Use the vectors v, u, w, and z to draw the indicated vector. 
z - v
A. 
B. 
C. 
D. 
Mathematics
Simplify. Assume that all variables are nonnegative.
A. 144ab4 B. 12ab6 C. 12ab4 D. 144ab6
Mathematics
Solve and check your answer.
+ x = 16
A. x = 105 B. x = 896 C. x = 2 D. x = 14
Mathematics
Solve.The motion of a projectile that is fired at a 60° angle with the horizontal is given by x = 
t, 
for t in 
Suppose a projectile is fired with an initial velocity of 400 feet per second at an angle of 60° with the horizontal. Find (a) the time when it reaches maximum altitude (b) the maximum altitude.
A. (a) 21.7 seconds (b) 4330 feet B. (a) 43.3 seconds (b) 11,250 feet C. (a) 6.3 seconds (b) 625 feet D. (a) 10.8 seconds (b) 1875 feet
Mathematics