exam Maths Puzzle Numerical Ability

each pair of points lie in a line with a given slope. find x.
(4,3), (x,7) slope=2
how would you complete this??

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exam Other Question

slove algebraically log base 4 (x+41)- log base 4(2x-5)=2 the table shows the number of adult softball teams for the years 1999 to 2003.

year: 1999 2000 2001 2002 2003
number of terms: 163 155 149 143 119


draw a