Evaluate as requested.Evaluate the polynomial x2yz + x + y for x = 2, y= -3, and z = 4.
A. -49
B. 5
C. 11
D. -48
Answer: A
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Solve the problem.The formula 
gives the distance d in feet that a projectile will travel when its launch angle is ? and its initial velocity is v0 feet per second. Approximately what initial velocity in miles per hour does it take to throw a javelin 340 feet with a launch angle 43°?
A. 71.21 mi/hr B. 74.01 mi/hr C. 86.12 mi/hr D. 104.43 mi/hr
Solve the problem.If a salesman's salary is multiplied by 1.04, which corresponds to salary plus a 4% bonus, the result is $32,240. Find the salesman's current salary.
A. $31,000 B. $32,240 C. $1240 D. $43,400
Simplify.
A. 1
B. 3
C. 
D. - 1
Solve the problem.The temperature at the South pole was -23° at 8 am. At 3 pm, it was 27°. By how many degrees did the temperature rise?
A. by 4° B. by -4° C. by -50° D. by 50°