If the bill is $100 and the tax rate is 10%, then the sales tax is how much money?

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?