Please answer FAST i will make you brainlest. If a person has 99$ but he sees a toy he likes but it has cost half his money how much money does he have left?

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4