Caleb wants to find 15 × 4. Which steps show a method for solving this problem? A. 15 × 4 = 4 × 15 = (4 ×1) + (4 × 5)
B. 15 × 4 = 4 × 15 = (4 +1) × (4 + 5)
C. 15 × 4 = (10 +5) × 4= (10 +4) × (5 + 4)
D. 15 × 4 = (10 + 5) × 4 = (10 × 4) + (5 × 4)

What is the measure of angle tvu shown in the diagram below

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 (%).

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.