Answer:
12
Step-by-step explanation:
h(n)=3n
h(4)
1. Subsitute 4 for n
h(4)=3*4
h(4)=12
29
x=22+7
x=29
pls mark as brainliest!!!
B
if it is not correct sory
Answer: no way
Step-by-step explanation: you add x plus yyy