Solve the problem.Robert and Paul each took some chips from a bag of potato chips which contains 12
ounces of chips. Robert took 1
ounces of chips and Paul took 2
ounces of chips. How many ounces of chips were left in the bag?
A. 9
ounces
B. 9
ounces
C. 8
ounces
D. 10
ounces
Answer: C
Mathematics
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Solve the problem.Find the center of mass of the hemisphere of constant density bounded 
and the 
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 
Mathematics
Find the perimeter the trapezoid.
A. 27 m B. 72 m C. 39 m D. 252 m
Mathematics
Perform the operation. Write the answer as a fraction in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics
Find the focus and the directrix of the parabola.x = - 
y2 + 
y - 
A. (-1, -2); y = -3
B. 
; y = - 
C. (-6, -2); y = -2
D. (-3, 3); x = -1
Mathematics