Add. Simplify, if possible.-12 + 9
A. -3
B. -3
C. -11
D. -2
Answer: D
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 3 and x = 7 using an upper sum with four rectangles of equal width.
A. 86 B. 117 C. 126 D. 105
Solve the problem.Eye color (brown or blue) of a child is determined by which of two alleles (B for the dominant brown allele or b for the recessive blue allele) the child receives from each of its parents. A person is considered heterozygous for a trait if their two alleles are different than each other. If two heterozygous parents (Bb) have children, we expect 1 out of every 4 of those children to have blue eyes. How many blue-eyed children would we expect out of 860 children born to two heterozygous parents?
A. 172 blue-eyed children B. 645 blue-eyed children C. 430 blue-eyed children D. 215 blue-eyed children
Graph the horizontal or vertical line.y = 5
A. 
B. 
C. 
D. 
Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form.
3
A. 50
+ 50
i
B. 5
+ 5
i
C. 15
+ 15
i
D. -500
+ 500
i