Jennifer had 600 cards in her baseball collection. she sold 162 of the cards to purchase a new laptop. what is the percent of change in the number of shannons baseball card collection?

Jessica is a custodian at oracle arena.she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate.at this rate how many sqaures meters can she wax per hour

I’m really confused and need your assist me with this question i’ve never been taught

Arock was dropped from the top of a building. the function that describes the height after it was dropped is f(x)=64-16x^2. what are the zeros of the function and what do they mean?