Mia has n pairs of earrings. she receives 3 more pairs of earrings. which expression represents the number of earrings mia has now? a. n−3 b. 3n c. 3n+3 d. n+3

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

The perimiter of a rectangle is 70 inches the legneth of the rectangle is 5 less than 3 times the width of the rectangle what is the width of the rectangle

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7