Which expression is equivalent to the expression 19x - 23x
a. x(19 - 23)
b.19x(1 - 23x)
c.19(x - 23)
d. x(23 - 19)

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

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.

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?