What is the equation of a line that is perpendicular to - x + 2y = 4 and passes through the point (-2,1)

question options:

y = -2x - 3

y = 2x + 4

y = x + 2

y = 2x - 4

If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

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