Juan invests 9000 dollars in a bank. The bank pays 5% interest compounded quarterly. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 13000 dollars?

21

step-by-step explanation:

the answer is:

the lateral area is equal to

to find the lateral area of the square pyramid, first we need to find the perimeter of the base, and then, find the lateral area using the following formulas:

where,

s, is the base length

slant height, is the height of a the side of the pyramid

we are given:

now, calculating the perimeter of the base, we have:

then, calculating the lateral area:

hence, we have that the lateral area is equal to

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