1) Jolly went to the book shop. There she bought four books for $350. She sold a book to her friend and got back 30% of her money. How much money did she charge her friend for the book?

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

What is the measure of angle x? answer