Two planes start from the same airports and fly in opposite directions. the second plane starts 1/2 hour after the first plane, but it's speed is 70 kilometers per hour faster. find the ground speed of the first plane if 1 hour after the first plane departs the planes are 3980 kilometers apart.

Write a story that matches with the expression 42x-5 pls hurry

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

Nicole purchased a container of cashews that weighs 5 kilograms. zion purchased a container of cashews that weighs 4,900 grams. how many more grams of cashews did nicole purchase?