Answer: 39
Step-by-step explanation:
Given
P(x)=7x+5
r(x)=x-1
r(p(x))=7x+5-1=7x+4
so, r(p(5))
Answer: x=7
Step-by-step explanation:
3x=21
21 divided by 3 is 7
so x equals 7
Answer:
answer is 15 and second one i dont know yet sorry am doing scoo
Step-by-step explanation:
Answer:
can u show a little clear pic with full triangle shown