Evaluate the expression for the given value of the variable. |b-3|+|b^2+4|-3b^2-|-5-2b^2| when b=-2 14 13 28 -12 other:

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.