Use the coordinate system selected in part b and find the x and y components of the acceleration of the box, ax and ay, respectively.

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7

answer: b

step-by-step explanation:

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true