F(n)=a1+(n-1)b
f(20)=33+(20-1)11
f(20)=33+(19)11
f(20)=33+209
f(20)= 242
Answer:
A = 54cm^2
Step-by-step explanation:
A = (base × height)/2
base = 9cm
height= 12cm
A = (9 × 12)/2
A = 108/2
A = 54
Answer:
Multiple
4
By
N
Step-by-step explanation:
Answer:
-45
Step-by-step explanation:
(4.5)(5)(-2)=-45
therefore the answer would be the fourth option which is -45