For the following problems draw a picture using the rectangular fraction model and write the answer. Simplify if possible. a. 1/2 - 1/7
b. 3/5 - 1/2
PLEASE HELP ASAP

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

If g^-1(x) is the inverse of g (x) which statement must be true

Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?