Max weighs 40 pounds less than his brother Together they weigh 280 pounds how much does his brother weight

1: 4 if the wew 35 surfboards at the beach how many were short boards?

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.