Sarah started with 60 items in her stamp collection. each month, she buys 10 more stamps to add to her collection. the number of stamps in her collection, s, is given by s = 10m + 60, where m is the number of months she has added 10 stamps to her collection. how many stamps will be in sarah’s collection in 7 months? (points : 2) 60 130 167 190

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π