Acoin is tossed 20 times. it lands on heads 9 times. what is p(h) according to your experiment? write your answer as a fraction, decimal and percent

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.