Carlos is 8 years older than his sister maria. four years ago maria was two thirds as old as carlos. how old are they now

Achel bought 12 rolls of packing tape and paid a total of $33.60. kevin also bought rolls of packing tape. the table shows the total amount he is paid for different numbers of packing tape. number of rolls of packing tape total amount paid 2 $6.40 5 $16.00 8 $25.60 how do the unit rates compare? select from the drop-down menus to correctly complete the statement. rachel's unit rate is than kevin's because is greater than .

Match each expression with its simplified form.

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply