If a calculator is sold for $17.35, then the revenue in dollars, R, generated by this item is given by the formula R= 17.35q, where q represents the number of calculators sold. Use
the formula to determine the revenue generated by this item if 18 calculators are sold.

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

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?