Acircle has a radius of 12 and a center at(-7,4) . find the equation of the circle. a. x^2 y^2=3.46 b. (x 7)^2 (y-4)^2=144 c. (x-7)^2 (y-4)^2=144 d. (x-4)^2 (y 7)^2=144

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

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

Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?