shoe sizes are marked differently in many countries. in japan, a shoe size is 16 more than the size in the u. s. in korea, a shoe size is 224 more than the size in japan. determine the function of the u. s. size of a shoe in terms of the shoe size in korea. what is the japan shoe size of a shoe that is 250 in korea?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

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

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue