Kenzi and Mauri set up a lemonade stand. It cost them
$0.20 to make each cup of
lemonade. They marked up
the cost 150%. How much did
they charge for each cup of
lemonade?

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0