exam Maths Puzzle Numerical Ability

The percentage of women in the 20-24 are group who have never married went from 55% in 1970 to 73% in 2000. Let 1970 be year 0 and 2000 be year 30.
a) find and interpret the slop

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exam Other Question

You are building a gazebo that has a base in the shape of a regular octagon. Each side of the base has a length of 9 feet. What is the area of the octagonal floor to the nearest f The average of four numbers is 98. If three of the numbers are 86, 87, and 91, what is the fourth number?