Noah bought 15 baseball cards for $9.00.assuming each baseball cards costs the same amount, how much will 12 baseball cards cost ?

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

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 .

Find the domain and range of the following function f(x) = 51x - 21+ 4