Two students determined the value of this expression. -2.5(1.4+3.1) + 6.9(-4.3) These are the steps each student used. Student Q Step 1: -3.5 - 7.75 +6.9(-4.3) Student P Step 1: -3.5 +7.75 +6.9(-4.3) Step 2.-3.5-7.75 -29.67 Step 2: -3.5 +7.75 - 29.67 Step 3: -(3.5 - 7.75 -29.67) Step 3: 7.75 -3.5 - 29.67 Step 4:-(-33.92) Step 4: -25.42 Step 5: 33.92 Analyze the steps and describe any errors made by Student P and Student Q.​

The answer is the first one

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 )