Evaluate the function f (x) = 7x + 3 for f(-4)

Pls help
A)31
B)-31
C)25
D)-25

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

How much orange juice do you need to make 2 servings of lemony orange slush?

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8