Solve the problem.Karissa has 31 dolls in her collection. All of the dolls have either brown hair or blue eyes, and some have both brown hair and blue eyes. If 24 have brown hair and 8 have blue eyes, how many have brown hair but do not have blue eyes?
A. 31
B. 23
C. 8
D. 24
Answer: B
Mathematics
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Evaluate the integral.
A. - 
csc 9t cot 9t - 
ln
+ C
B. 
csc 9t cot2 9t - 
ln
+ C
C. - 
csc 9t cot 9t - 
ln
+ 
+ C
D. - 
csc 9t cot 9t + 
ln
+ C
Mathematics
Use synthetic division to decide whether the given number is a solution of the given equation.x2 + 2x + 5; x = 1 + 2i
A. Yes B. No
Mathematics
Divide.4185 ÷ 8
A. 523 R 1 B. 524 C. 523 D. 523 R 7
Mathematics
Find the x-value of all points where the function has relative extrema. Find the value(s) of any relative extrema.f(x) = x3 - 12x + 2
A. Relative maximum of 14 at -2; Relative minimum of 0 at 2. B. Relative maximum of 1 at 0; Relative minimum of -3 at 2. C. Relative minimum of -13 at 3. D. Relative maximum of 18 at -2; Relative minimum of -14 at 2.
Mathematics