If A and B are 2x2 matrices, det (A) = -1, det (B) = 3, then

det (AB) =

det (-2A) =

det (A^T) =

det (B^-1) =

det (B^4) =

A $79 television is on sale for $65. What percent discount was given?

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Use the quadratic formula to solve the equation. Round to the nearest hundredth if needed. -4x^2 + 2x + 3 = 0

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How many dollars are in 65536

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Scores on exam are normally distributed with a mean of 45 and standard deviation of 8 1. what is the probability that the score of a student will be higher than 52.6? 2. what proportion of the students score below 43? 3.