Aparticular strain of bacteria triples in population every 45minutes. assuming you start with a 50 bacteria in a petri dish, how many bacteria will there be in 4.5 hours?

When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

Idk math. i need to fill in the missing numbers . due tommorow !