If Bobby takes out a mortgage for 30 years at an interest ra…

If Bobby takes out a mortgage for 30 years at an interest rate of 5% and his monthly repayments are $939.44, what is the loan principle (that is, the balance of the loan at drawdown)? Give your answer to the nearest ten dollars. Do not include the dollar sign in your answer.  Show all work on paper.

Two students, Stephanie and Maria, want to find out who has…

Two students, Stephanie and Maria, want to find out who has the higher GPA when compared to each of their schools. Maria has a GPA of 3.85, and her school has a mean GPA of 2.9 and a standard deviation of 0.3. Stephanie has a GPA of 3.6, and her school has a mean of 2.85 and a standard deviation of 0.1. Who has the higher GPA when compared to each of their schools?  Show work on paper.

A small triangular piece of metal is needed to add support t…

A small triangular piece of metal is needed to add support to a skateboard frame. The shape of the piece is shown in the figure above. If the angle θ is known to be 35 degrees, what is the height to the nearest tenth of a centimeter? (Do not include units in your answer)  Show work on paper.