Raymond earns 1795 each month and pays 53.40 on electricity to nearest 10th of a percent what percent of Raymonds earnings are spent on electricity each month

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 .