Xintercepts for x-intercept of y = -4x^2 + 8x + 12

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?