Multiply. Simplify if possible.
? 
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.Find the center of mass of a thin triangular plate bounded by the coordinate axes and the line 
if 
.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Find the values of a, b, and c for which the quadratic equation ax2 + bx + c = 0 has the given numbers as solutions. Then use those values to write a quadratic equation.-5 + 
, -5 - 
A. x2 - 10x + 20 = 0 B. x2 + 10x + 30 = 0 C. x2 + 25x + 30 = 0 D. x2 + 10x + 20 = 0
Determine whether the relation represents a function. If it is a function, state the domain and range.
A. function domain: {3, 6, 9, 12} range: {15, 30, 45, 60} B. function domain:{15, 30, 45, 60} range: {3, 6, 9, 12} C. not a function
Find area of figure. Round to the nearest hundredth if necessary.
A. 25
cm2
B. 11 cm2
C. 22 cm2
D. 30
cm2