Determina el resultado de la operación

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Describe a situation that you could represent with the inequality x< 17

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?