Write and equivalent expression by combining like terms 12x+6y-3y+9​

If g(x) is an odd function, which function must be an even function?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest