Answer:
1. 4(4-9m) 2. 8(x-5) 3. 7(5-3a) 4. 2(2n-1) 5. -10(3n+1) 6. 6(5n+1) 7. 10(3x+7) 8. -3(n+4) 9. 2(9-2a) 10. 8(1-k) 11. 5(8-7n) 12. 5(9x-5)
Step-by-step explanation:
Answer:
Diameter is 19
Step-by-step explanation:
Answer:
1260 is cost price and 140 is profit.
Step-by-step explanation:
sorry if this is wrong but i think the answer is 21
