To save money for a sabbatical to earn a master's degree, Henry deposits $1400 at the end of each year in an annuity that pays 6.4 % compounded annually. Use the formula for the value of an annuity, shown to the right. Formula: A=[(1+r/n)^nt-1])/r/n

a. How much will he have saved at the end of years?
b. Find the interest.

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

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so a parallelogram is just like a square base times height. multiply 40 and 39 to get 1560 inches.

a triangle is base times height divided by two. so multiply 7.9 and 5 and then divide it by 2 to get 19.75inches.

the kite can be split into two separate triangles and added together to get the total area. 30 x 4 /2 which equals 60. make sure to double it for the two triangles making 120.

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