*need immediately* prove theorem 6-6 given: measurement of arcab = the measurement of arccd prove: measurement of lineab = the measurement of linecd

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?