Answer:
s(r(4)) = 13
Step-by-step explanation:
Substitute and calculate:
s(r(4)) = 13
Answer:
a= 35°
b= 45°
c= 60°
Step-by-step explanation:
26*5 is 130
He'll have ten left over if each student in year 11 has one :) Hope this helps!
Answer:
b=4.5
Step-by-step explanation:
4b+4=22
4b=22-4
4b=18
b=4.5
