Answer:
a
Step-by-step explanation:
16
––
30
because there are 30 inches in all and 16 out of the 30 are concrete
Answer:
You did not include the Venn diagram
Step-by-step explanation:
Answer:
b(4) = -14
Step-by-step explanation:
b(n)=4-6(n-1)
let n=4
b(4) = 4 - 6(4-1)
b(4) = 4-6*3
b(4) = 4-18
b(4) = -14