Deborah has 13 five and ten dollar bills in her wallet she has a total of $90. how many five dollar bills does she have? how many 10 dollar bills does she have?

Factor. 8x2y2 – 4x2y – 12xy 4(8x2y2 – x – 12xy) 4(2xy – 4x2y – 12xy) 4x2y2(2xy – xy –3) 4xy(2xy – x – 3)

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.