Juan has $90 in a savings account that earns 10% interest, compounded annually. To the nearest cent, how much will he have in 3 years?

Juan will earn $29.79

Step-by-step explanation:

Juan has 90 dollars in the savings account, and gets 10% interest. So you do 90 * 1.1, which is 99, then do 99 * 1.1, which is 108.9, and then finally you do 108.9 * 1.1 and you get $119.79.

18

step-by-step explanation:

draw the shape and you will see that f and k are actually at adjacent vertices (points of the hexagon that are neighboring).   so find the distance between (1,2) and (4,2).   that is easy since (1,2) and (4,2) is just a vertical distance to count, which is 3.   it is a regular polygon which means all sides are congruent.   you have 6 sides (hexa) so multiply 6 by 3 to receive 18.

∠cbe and ∠deb are same-side interior angles.

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