On a field trip, there were five girls for every eight boys. how many girls attended the 130 student field trip

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

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 .