Answer:
63
Step-by-step explanation:
Since a1=7 and the question is to find a9, you just have to multiply 7 and 9 which is 63
Answer:
10.7
Step-by-step explanation:
Your file attachment isnt working so i cant help sorry.
Answer:
16 square units
Step-by-step explanation:
The area of the large triangle is
A = 1/2 bh
A = 1/2 (9) * 8 = 36
The area of the small triangle is
A = 1/2 bh
A = 1/2 (8) (5) = 20
The difference is the shaded region
A = 36-20 = 16