A= p(1+rt) is used to find the principal amount p deposited, earning r% interest, for t years. use this to find what principal amount p david invested at a 3% rate for 20yr if a=$8,000

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes. she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?

Measure a and b and find their sum. how are the angles related?