exam Maths Puzzle Numerical Ability

graph each system of equations and describe it as consistent and independent,consistent and dependent, or inconsistent.

y=-x-2
x+y=-4

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exam Other Question

The amount A in an account after t years from an initial principle P invested at an annual rate r compounded continuously is given by A=Pe^(rt) where r is expressed as a decimal. Solve this formula for t in terms of A, P, and r. need help solving this equation

-12-7=y/3