book Maths Puzzle Numerical Ability

find the slope of the line through the points (2,5) and (-2,3)

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book Other Question

Floyd has 16 coins in pennies, nickels, and dimes. The number of dimes is equal to the sum of the number of pennies and number of nickels. If the total value of the coins is $1.08, how many of each kind does he have? what is the smallest number that is divisible dy four different primes?