Do the operation and express the answer in a + bi form. Do not use parentheses in your answer.
?
(3 - 8i) + (10 + 5i)
What will be an ideal response?
13 - 3i
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Perform the indicated operation. Write your result in scientific notation.(4 × 105)(8 × 107)
A. 3.2 × 1013 B. 32 × 1013 C. 32 × 1035 D. 3.2 × 1012
Draw two Venn diagrams to determine whether the following expressions are equal for all sets A and B.
A?(A'?B) and A?B
Solve the problem.Suppose an animal feed to be mixed from soybean meal and oats must contain at least 100 lb of protein, 20 lb of fat, and 12 lb of mineral ash. Each 100-lb sack of soybean meal costs $20 and contains 50 lb of protein, 10 lb of fat, and 8 lb of mineral ash. Each 100-lb sack of alfalfa costs $11 and contains 30 lb of protein, 8 lb of fat, and 3 lb of mineral ash. How many sacks of each should be used to satisfy the minimum requirements at minimum cost?
A. 2 sacks of soybeans and 0 sacks of alfalfa
B. 
sacks of soybeans and 
sacks of alfalfa
C. 0 sacks of soybeans and 2 sacks of alfalfa
D. 
sack of soybeans and 
sack of alfalfa
Use the given conditions to write an equation for the line in the indicated form.Passing through (4, 3) and perpendicular to the line whose equation is y = 9x + 7;point-slope form
A. y - 4 = 
(x - 3)
B. y - 3 = 
(x + 4)
C. y = - 9x - 31
D. y - 3 = - 
(x - 4)