Write the expression in the standard form a + bi.i13
A. 1
B. -i
C. -1
D. i
Answer: D
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Solve. 49k2 - 4 = 0
A. 
, - 
B. 
, 0
C. 2, 0
D. 
, - 
Solve the problem.The formula D = 8e-0.04h can be used to find the number of milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. When the number of milligrams reaches 3, the drug is to be given again. What is the time between injections?
A. 27.47 hr B. 51.99 hr C. 27.36 hr D. 24.52 hr
Suppose Ingredient I is made up of 80% micoden and 20% water, Ingredient II is made up of 30% micoden, 60% bixon, and 10% water, and these ingredients are mixed together. How much micoden is in the mixture? Round to one decimal place, if required. INGREDIENT IINGREDIENT IIMIXTURE5 lb14 lb19 lb? __________ lb micoden
Fill in the blank(s) with the appropriate word(s).
Solve the system by elimination. 7x + 3y = -6714x = -69 - 6y
A. {(-7, -6)} B. {(2, 4)} C. {(-7, 4)} D. ?