Answer:
A Y-3
Step-by-step explanation:
We know Robert is Y years old and Calvin is 3 years younger. Y-3. For example, Robert is 20, then Calvin would have to be 17. Y=20. 20-3 = 17
F(2)=4(2)+5
f(2)=8+5
f(2)=13
Answer:
424--------------------------------------------------------
According to my examination I have confirmed that I do NOT repeat do NOT know this.
The answer is 1080 hope this helped may i have brainliest