Write the complex number in rectangular form.-3(cos 225° + i sin 225°)
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
Answer: C
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Simplify.-3 + 8 ? 4
A. 35 B. -20 C. -29 D. 29
Solve the problem.Jill is 18 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 kilometers per hour. They meet in 4 hours. How fast is Joe walking?
A. 2 kilometers per hour B. 4.5 kilometers per hour C. 3.5 kilometers per hour D. 2.5 kilometers per hour
A system of nonlinear equations is given. Sketch the graph of the equation of the system and then determine the number of real solutions to the system. Do not solve the system.x2 + y2 = 36x2 + y2 = 4
A. Two
B. Two
C. Zero
D. Two
Solve. Write the answer as a mixed number in simplest form.Laura's chocolate store is famous for its "Chocnut", a unique mix of chocolate and nuts. A Supreme box of Chocnut has 
pounds of chocolate and 
pounds of nuts. A Deluxe box has 
pounds of chocolate and 
pounds of nuts. John bought 5 Supreme boxes and 2 Deluxe boxes of
Chocnut. What is the total weight of his purchase?
A. 48
lb
B. 29
lb
C. 19
lb
D. 44
lb