Perform the operation and write the result in the standard form.(9 + 2i)(9 - 2i)
A. 81 - 4i2
B. 77
C. 85
D. 81 - 4i
Answer: C
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Provide an appropriate response.The function W(g) = 0.44g2 - 0.02g + 8.5 models the average weight in ounces for a mouse who is fed g grams of a special food per day. Use the function to find and interpret W(13). Average Weight of Mouse Fed Special Food
A. 13.96; the average amount of the special food that 13 mice should be fed is 13.96 ounces. B. 184.6; when a mouse is fed an average of 184.6 ounces of the special food per day, its weight will be at least 13 ounces. C. 82.84; 13 mice gained an average of 82.84 ounces per day when fed the special food. D. 82.6; when a mouse is fed 13 grams of the special food per day, its average weight is 82.6 ounces.
Multiply.(2x - 10)(x - 1)
A. 2x2 - 13x + 10 B. x2 - 12x - 13 C. 2x2 - 12x + 10 D. x2 + 10x - 12
Solve the problem.Tom is going to build a fence around his garden which is a rectangle measuring by
He will first put in posts which will be 4 m apart. If the posts cost $2 each, what will be the total cost for all the posts?
A. $16 B. $28 C. $32 D. $24
Graph the equation.(x + 4)2 + (y - 5)2 = 4
A.
B.
C.
D.