Identify the property used in Step 1. Step 1 4 + 6x + 11 + 12x - 11 = 4 + 6x + 11 + (12x - 11) Step 2 = 4 + 6x + 11 + (-11 + 12x) Step 3 = 4 + 6x + [11 + (-11)] + 12x Step 4 = 4 + 6x + 0 + 12x Step 5 = 4 + 6x + 12x Step 6 = 4 + (6 + 12)x Step 7 = 4 + 18x Step 8 = 18x + 4

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.