There are 5,280 feet in a mile. a jet is flying at an altitude of 33,400 feet. to the nearest 0.1 mi, how many miles high is the jet?

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

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.