B 54 yd i might not be correct
H=15cm
b=10cm
i think, i asked my mom thats a teacher and she said it was correct.
Company b is of course offering the lower price because it cost less and it weigh the same.
Answer:
10 + 5xy = -80
Step-by-step explanation:
10 + 5xy = ?
x = 9 and y = -2
10 + 5xy = 10 + 5(9)(-2)
= 10 - 90
= -80