exam Maths Puzzle Numerical Ability

can you please help me find the slope and y-intercept of: (((y=3x-5)))

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exam Other Question

Solve the following equations.
a)The squ rt of x - 1 = 3
b)The squ rt of x^3 = 8
c)The (3) squ rt of x^ = 4
(^ means squared)
(^3 means cubed)
(squ rt means square root) Thanks again!!!!
Solve by addition. If a unique answer does not exist, state whether it is inconsistent or dependant. McGraw Hill. 6th editon. 8.2. #12.
2x+3y=1
5x+3y=16