Divide and write in standard form.
A. i - 2
B. 2i
C. -2i
D. 2 - i
Answer: C
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Which best describes the thinking strategy of a student who changes the expression 4x + 5 -7x -2 to 4x + 5 + (-7x) + (-2) before trying to simplify it?
a. Automization b. Guessing-substituting c. Preparatory modification d. Using quasi-rules
Solve the problem.How long would it take to drive a distance of 11 miles if you drive at a constant speed of 53 miles per hour? Round your answer to the nearest hundredth if necessary.(Distance = Speed × Time)
A. 583.0 hours B. 0.21 hours C. 2.08 hours D. 4.82 hours
Evaluate.6C6
A. 720 B. 180 C. 1 D. 0.5
Use the fundamental identities and the given information to find the exact values of the remaining trigonometric functions of x.sin x = 
and cos x = 
A. tan x = - 
, csc x = 
, sec x = 
, cot x = - 2
B. tan x = 
, csc x = 
, sec x = 
, cot x = 2
C. tan x = 
, csc x = 
, sec x = 
, cot x = 2
D. tan x = 2, csc x = 
, sec x = 
, cot x = 