The temperature fell 10 degrees Fahrenheit from 46°F to 36°F in 12 hours. How much would the temperature fall over 18 hours if the pattern​ continued? (My sibling needs help, I forgot.)

Can someone me with this problem i don't understand i need

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way