Elevii clasei a ii a vor sa cumpere pentru biblioteca clasei 28 de cărți a câte 11 lei bucata le ajunge suma de 600 lei de la pusculita clasei estimează și răspunde fără a calcula cu ajutorul minicalculatorului dar dacă ar cumpăra 35 de cărți de aceeași valoare repede va rog

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

Taking algebra two apex courses and need with these questions

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.