An engine and a train weight 200 metric tons and the engine can exert a pull of 5 metric tons weight . find the tension in the coupling if the engine alone weights 60. metric tones, The resistance being equal to 10 kg per tons

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Given: klmn is a parallelogram m? n=3m? k, lf ? kn , ld ? nm kf=2 cm, fn=4 cm find: lf, ld