a line containing the points (-3,a) and (b,-2) has a slope of -9/11. find unknown containing a and b

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 .

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Taber invested money in an account where interest is compounded every year. he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?