Sasha buys 3 postcards during each day of vacation. how many days will sasha have to spring on vacation before she will have bought a total of 6 postcards ?

What is the y intercept of f(x)=(1/2)^x?

Which of these sequences is a geometric sequence a 1,2,4, 7, 11, 16, 22. b. 2.4.8.14.22.38 c.3.6.9. 15.18,21 d. 3,9,27,81,243,729,

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .