Hey everyone. I'm working on this assignment and I'm pretty stupid and I never pay attention. Thank you for whoever answers this..!

Karen is financing $291,875 to purchase a house. she obtained a 15/5 balloon mortgage at 5.35%. what will her balloon payment be? a. $220,089.34 b. $219,112.46 c. $246,181.39 d. $230,834.98

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Use your knowledge of the binary number system to write each binary number as a decimal number. a) 1001 base 2= base 10 b) 1101 base 2 = base 10