doris drives at a steady speed of 40km/h. if she sets off at 1.23pm and arrives at 3.50pm, how far has she travelled?

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?