Omar has been practicing violin for 4 1/2 years longer than his sister if his sister has been practicing for X years how many years y has Omar been practicing violin?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?