Please help me its about solving system by substitution

Describe the domain and range of y=2(3)^x-2+5

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.