Substitute and simplify: Let a= -4, b= 2, and c= -3. a? +c

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 .

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Use sigma notation to represent the following series for 9 terms.