Answer:
x = ±12
Step-by-step explanation:
x^2 = 144
Take the square root of each side
sqrt(x^2) = sqrt(144)
x = ±12
Answer:
The answer to this question is C) The salary increases at a rate of 6.5% each year. I did it on USA Test Prep and got it right.
Answer:
5/2
Step-by-step explanation:
Move the 5^-3 to the denominator and add the exponents of like coefficents
no solution
substitute y = 2x + 4 into the other equation
2x - (2x + 4) = 6 ( distribute and simplify )
2x - 2x - 4 = 6 ( add 4 to both sides )
0 = 10 ← not possible
Hence the system has no solution
