15) A telephone company charges a rate of 10 cents per minute to talk with a fee of 4 dollars. Write an equation to model the telephone company
charges. c= cost and m = minutes
C = 10m+ 4
O C= 10 + 4m
C = 10m + 4
C = 10 + 4m
Yes

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

Could someone with number 1 and 2

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30