(x+3)^2+7 in standard form

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.

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.