How can i find what y and w will equal to? what do they equal to?

Y = 15
180 = 142 + 2y + 8
180 = 150 + 2y
30 = 2y
y = 15

x = 30.5
142 = 4x + 20
122 = 4x
x = 30.5

)because it's going in order of the math sign

Answer: d. 39 cmin the diagram, the approximate length of the minor arc de is 39 centimetres.step-by-step explanation: the formula for the length of an arc in a circle is as displayed below.let the length of the minor arc de = xx = 2( pi )r × angle of sector / 360°from this, we will substitute the values given from the problem into the formula to obtain the length of the minor arc de.x = 2( pi )r × angle of sector / 360°r = radius = 25cmpi as an approximate value = 3.14angle of sector = 120°x = 2( 3.14 )( 25 ) × 120° / 360°x = 157 × 1 / 4x = 39.25x = 39 ( rounded to the nearest whole number as an approximate value )