Adinner bill of $31.37 had 6% tax added to that total. what was the amount of the tax? a. $1.88 b. $1.57 c. $33.25 d. $18.82

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

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

Can some one explain this i got sent this. is this a threat i’m scared