How do you solve 5y/3 = 20 by multiplication of equality?

Which statement is always true? a. square bcdf is a rectangle. b. rectangle gjkm is a square. c. quadrilateral stpr is a trapezoid. d. parallelogram abcd is a rhombus.

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.