Answer:
4
Step-by-step explanation:
4 is the answer
let me know if yall agree
f(-3)=-(-3)²+7(-3)-13
=-9-21-13
=-43
73.68%
Answer:28.0665 square feet
b=9
c=7
angle A=63°
Area of =(bxcxsinA)/2
Area of =(9x7xsin63)/2
Area of =(9x7x0.8910)/2
Area of =(56.133)/2
Area of =28.0665
Answer:8