Answer:
Step-by-step explanation:
a. a^4 - 2ab^2 - 2ab^2 + 4b^4 = a^4 - 4ab^2 + 4b^2
b. 49x^2 - 14x + 1
c. 25a^2 - 20ab^4 + 4b^8
d. x^2 - 144
e. -16n^6 - 28n^3 + 28n^3 + 49 = -16n^6 + 49
Answer: 4500
Step-by-step explanation: when t=0, then 0.8334^t= 1
And 4500 is original value of the car.
Answer:24
Step-by-step explanation:
28=x+4
Collect like terms
x=28-4
x=24
Answer: 140
Step-by-step explanation:
If you substitute the two for 40 and then subtract it from 180° (the angle of the line) then you will get one 40°
Answer:
3.
Step-by-step explanation:
because they have more change to be pick wife they have more higher percentage of the class