A statistic is a characteristic of a sample while a parameter is usually an unknown population parameter? True

False

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n