How many four-digit numbers can be made from the numerals 7, 6, 5, and 3?

24
4
12

What two consecutive odd integers have a sum of -28

Eric drew a scale drawing of a country park. the scale he used was 1 inch = 2.5 yards. the picnic area is 80 yards wide in real life. how wide is the picnic area in the drawing ?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?