Solve the problem.The position of a projectile fired with an initial velocity v0 feet per second and at an angle ? to the horizontal at the end of t seconds is given by the parametric equations 
Suppose the initial velocity is 5 feet per second. Obtain the rectangular equation of the trajectory and identify the curve.
A. y = - 
+ (cot ?)x; hyperbola
B. y = - 
+ (tan ?)x; ellipse
C. y = 
+ (cot ?)x; parabola
D. y = - 
+ (tan ?)x; parabola
Answer: D
Mathematics
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Insert either < or > in the area between the pair of numbers to make a true statement.|-3| _____ |-18|
A. > B. = C. <
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Simplify.
2 + 3 ? 1
÷ 18
A. 1
B. 1
C. 
D. 1
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Use addition, subtraction, or multiplication to solve the problem.A company pays every employee $9 for each item he or she produces. If there are 15 employees and they make an average of 101 items, what is the total amount paid to the workers?
A. $1044 B. $2424 C. $125 D. $13,635
Mathematics
Solve the compound inequality.6x + 7 ? 3 and 3x - 4 < 6
A. x ? - 
or x > 
B. - 
? x < 
C. - 
? x < 
D. No solution
Mathematics