BC is perpendicular to AC; and CE is perpendicular to AB; EC is perpendicular to AC Prove: ΔBEC~ΔCDE

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?