For the data in the table does y vary directly with x? if it does write an equation for the direct variation
x y
16 4
32 16
48 36
a)yes; y=2x
b)yes; y=1/4x
c)yes; y=1/8x
d) no; y does not vary directly with x

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 has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]