Samantha puts an initial $500 into a savings account. the account has a 4% annual compound interest rate. what is the function that best represents samantha's account and how much does she have in savings after 5 years? round your answer to the nearest dollar. hint: use the formula, f(x) = p(1 + r)x.

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices

If a + b = 28 and a - b = 10, then b =?