31 + (4*2^2 + 8*2) + (3*2^2 + 5*2 + 20) + (7*2 + 30) = 129
706.86 is the answer for the area
4% =.04
20*.04= 0.8
The sales tax is 80 cents.
I hope this helps!
~kaikers
Answer:
4√5
Step-by-step explanation:
if this isnt the answer u needed lmk!!
X + y = 5 ---------- (1)
x - y = 3 ----------- (2)
(1) + (2):
2x = 8
x = 4 ----------- sub into (1)
4 + y = 5
y = 5 - 4
y = 1
Ans: x = 4, y = 1
