Write a two-column proof In the following diagram given angle A angle B angle C and angle D prove that angle b+angle a+angle c=180

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Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay