The college board discovered a mistake! all of their tests administered in 2017 were scored 50 points lower than they should have been. Assuming they have a vector called sat. 2017 that includes all test scores, how would they add 50 points to each score in the vector.

X= 49; x = 4step 1: foilstep 2: equal both to 0step 3: find x individually

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 )