Which expression can be used to calculate the interest earned on a $12,000 investment that has interest compounded semi-annually at an annual rate of 3% for 4 years?
A 12000/1.03)*
B 1200001.015)
C 12000(103)
D 1200001.015)

Someone please answer this question and please show work

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Consider the following geometry problems in 3-space enter t or f depending on whether the statement is true or false. (you must enter t or f -- true and false will not work.) f equation editorequation editor 1. a plane and a line either intersect or are parallel t equation editorequation editor 2. two planes parallel to a third plane are parallel f equation editorequation editor 3. two lines either intersect or are parallel f equation editorequation editor 4. two planes orthogonal to a third plane are parallel f equation editorequation editor 5. two planes orthogonal to a line are parallel f equation editorequation editor 6. two planes either intersect or are parallel f equation editorequation editor 7. two lines orthogonal to a third line are parallel t equation editorequation editor 8. two lines parallel to a third line are parallel t equation editorequation editor 9. two planes parallel to a line are parallel f equation editorequation editor 10. two lines parallel to a plane are parallel f equation editorequation editor 11. two lines orthogonal to a plane are parallel