Answer:
9x^2+34x+21
Step-by-step explanation:
distribute all the numbers
1. 4; 2. 32; 3. 9; 4. 8; 5. 12; 6. 16; 7. 6; 8. 8; 9. 8; 10. 8
a=1
an= an-1 -7
154 centimeters =
5.05249344 feet (5 feet ⅝ inch)