Help pls quick!!!!ALSO TY

Help Pls QuickALSO TY class=

Answer :

Step-by-step explanation:

6: (5×7)+ (2×9)= 53

7: (6×2)× (3×8) +4= 40

question 8, i havent learnt it yet

Answer:

3. is triangle (3 sides)

4. is pentagon (5 sides)

5. hexagon (6 sides)