Answer:
10
Step-by-step explanation:
P.s. Coefficient always goes before the variable
= 2b + 4
= 2(3) + 4 Substitute b for 3
= 6 + 4
= 10
Answer:
Step-by-step explanation:
tan49=h/17
h=17tan49
h=19.6 m
Answer:m is rational and n is irrational
Step-by-step explanation: