At noon a private plane left austin for los angeles, 2100km away, flying at 500km/h. one hour later a jet left los angeles for austin at 700km/h. at what time did they pass each other?

Draw a scaled copy of the circle using a scale factor of 2

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

The coordinate grid shows a pentagon. the pentagon is translated 3 units to the right and 5 units up to create a new pentagon. what is the rule for the location of the new pentagon?