PLEASE HELP ME WITH MATH. Enter the correct sum in each box. Use the number line to help you.

A vertical number line from negative 7 to 3 with tick marks at intervals of 1 tenth

(A) 4.6 + (–5.9)

(B) –4.4 + 6.2

(C) 2.1 + 0.5

(D) –3.8 + (–1.3)

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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.