I will give brainliest to person who answers correctly! (5*10)-3 with the power of 2 equals what?

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

The area of a circle is equal to 1 dm². find the radius of the circle.

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.