Write a general rule for multiplying: a. two integers with the same sign
b. two integers with different signs

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Can someone me and do the problem plz so i can understand it more better

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?