Find the height of a cylinder whose surface area is 1,444.4 yd^2 and the diameter is 20 yd. Also help me on number 2

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3