Answer:
See below.
Step-by-step explanation:
Multiplying terms with exponents make the exponents add together.
13.) x² · x⁵ = x⁷
14.) b⁵ · b³ = b⁸
15.) y⁴ · y⁷ = y¹¹
16.) m⁴ · m¹ = m⁵
Answer:

Step-by-step explanation:
To find the area of a triangle, you need to multiply the width by the height. In this case:

Hope this helps!
Answer:
the perimeter is 18
Step-by-step explanation: