NEED DONE ASAP 20 PTS x(x-4)=7

AND

x^2+2x+2=0

solve these two problems by completing the square and show all work please!

Will mark brainliest with 20 points! the table shows how far object 1 traveled as a function of time. *time (seconds) - 2 4 6 8 *distance traveled (feet) - 18 36 54 72 the equation shows how far object 2 traveled in feet as a function of time in minutes. *f(x) = 10x which object traveled at a faster speed? justify your response.

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m