In the construction shown below, AB is a radius of circle A. BC was constructed to be tangent to circle A at point B. EC was also constructed to be tangent to cirde A at point E. BC and EC intersect at point C.
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Which construction ensures that BC is tangent to circle A?
A. Construction of the perpendicular line through point D of AC.
B. Construction of the perpendicular bisector of AC.
C. Construction of a perpendicular line to AB at point B.
D. Construction of a line bisector of AC.

For which pair of functions is (gof)(a)=|a|-2?

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

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.