Given the equation StartFraction 2 x + 2 Over y EndFraction = 4 w + 2 what is the value of x? x = y w + y minus 1 x = 2 y w + y minus 1 x = 2 y w + y minus 2 x = 4 y w + 2 y minus 2 plzz answer quickkk thank you so muchh

Me n o w. i need t h i s. 10 points

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.