an architect wants an artistic flair to the house he is building, so he designs windows that are three fourth of a circle. the builder is making trim for the windows and needs to know the length of the arc of the outer rim of the window. if the central angle is 270 degrees, and the radius of the partial circle is 30 inches, how much trim is needed for each window?

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.