Answer:
Step-by-step explanation:
i think 45 because a square could be broken up into 4s
Answer:
y=42
Step-by-step explanation:
7y = 6×49
y = (6×49)÷7
y= 42
A=lb
a=100×40=4000cm^2
a=0.5×lb
a=0.5×40×30
a=600cm^2
a=4000+600
a=4600cm^2 hope it helps!!!!!!!!!!!!!!!!!!!!!!!!!!!