We can find area by calculating area of squre with side 27in minus area of square with side12in
B. 18.37
1990 - 1960 = 30 = t
Plug in the variable "t" to the equation and solve.
P (t) = 18.37
Answer:
A. The answer is 7.4x10^3
Answer:
x + 3y = 5
5x - 3y = 7
Add up both equations, then:
6x = 12
=> x = 2
=> y = (5 - 2)/3 = 1
4^8 is the answer according to the law of indices
