Michael deposited $1,200 into a savings account with a simple interest rate of 2.5%. How much money will he have in his account after 3 years if no additional deposits or withdrawals are made?

3x+9+4x+x=8x+9that's the answer for your question.

If gravity is one third on mars then weight also one third on mars

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.