Xavier has x dollars. this morning Alex had twice as much money as Xavier. After alex spent 3 dollars on chips, he only had 7 dollars left. how much money does Xavier have

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.

Collin did the work to see if 10 is a solution to the equation r/4=2.4

Determine the function’s value when x = -1 a. g(-1)=-3 b. g(-1)=0 c. g(-1)=1 d. g(-1)=27