Dave needs to finish typing up the research paper he started yesterday. The total number of words in his paper can be determined from the function W(t) = 27t + 70, where t is the number of minutes Dave spends typing today. Complete the paragraph.
Dave started today with___ words already typed. He types at an average rate of ___words per minute. After Dave's first hour of work today, his paper should have a total of words. ​

answer:   (s+1)(s+4)

step-by-step explanation:

factor s2+5s+4

s2+5s+4

=(s+1)(s+4)

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation:

one fourth of 9% = 2.25%

gavin is correct in saying : the equivalent quarterly interest rate would be

2.25%.