Divide.
A. 19
B. 29
C. -19
D. -29
Answer: C
Mathematics
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After determining whether the variation model below is of the form 
or 
, find the value of k.
x
20
40
60
80
100
y
?
?
?
?
A. 
B. 
C. 
?
D. 
E. 
?
Mathematics
Use the given information to find the exact value.cos A = 
, 0 < A < 
; sin B = - 
, 
< B < 2?
Find cos (A + B).
A. 
B. 
C. 
D. 
Mathematics
Evaluate the polynomial for the given values of the variables.Evaluate x2 + 2y2 - 3xy for x = 2 and y = 4.
A. 12 B. 36 C. 60 D. -12
Mathematics
If the profit from the sale of x units of a product is 
, what level(s) of production will yield a profit of $1,600?
?
A. less 35 units of production. B. more than 50 units of production. C. 85 units of production. D. 15 units of production. E. 35 or 50 units of production.
Mathematics