Factor the expression completely

25c -5

a) 5(5c - 1 ) b) 5( 20c + 1) c) 5 (5c) d) 5( c -1)

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

How do you find the circumfrance of a circle?