Given the following functions f(x) and g(x), solve (f + g)(3) and select the correct answer below: (1 point)
f(x) = 2x + 21
g(x) = x − 24

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 !

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels