Does anyone know this answer? it's like that answer to a problem, Example: 12 + the sum of 9+19=? 12a X 9b=?

a=9
b=6

Which of the following statements comparing debit cards to credit cards is true? debit cards allow you to draw funds directly from your checking account. debit cards typically offer greater fraud protection than credit cards. debit cards never require a signature to finalize a purchase like credit cards. debit cards charge higher interest rates on purchases than credit cards.

Which of these statements properly demonstrates the angle addition postulate for the m∠afc m∠afc ? a. m∠afc=m∠afb+m∠bfd m∠afc=m∠afb+m∠bfd b. m∠afc=m∠afb+m∠bfc m∠afc=m∠afb+m∠bfc c. m∠afc=m∠cfd+m∠dfe m∠afc=m∠cfd+m∠dfe d. m∠afc=m∠afb+m∠dfc+m∠cfb m∠afc=m∠afb+m∠dfc+m∠cfb

Scientists are studying hurricanes to determine the number of hurricanes in the past 50 years that have caused greater than $1 million in damages. which best describes the population? hurricanes hurricanes that caused greater than $1 million in damages scientists scientists participating in the research