Alex drives at an average speed that is 2/5 of the average speed that Roy's train travels.
Alex takes 30 minutes to travel 50 km in her car.
Roy travels for 1 hour and 20 minutes on his train.
How far does Roy travel to 2 dp (decimal places)?
pls answer quick

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Click the arrows to advance or review slides. mapping carbohydrates to food carbohydrates (grams) 15 food (quantity) bread (1 slice) pasta (1/3 cup) apple (1 medium) mashed potatoes (1/2 cup) broccoli (1/2 cup) carrots (1/2 cup) milk (1 cup) yogurt (6 oz.) 12 12 is jennifer's relation a function? yes no f 1 of 2 → jennifer figure out the difference between a function and a relation by answering the questions about her food choices

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16