An ant is 1.2 cm up a wall and climbs up 1.7 cm each second. A
second ant is 30 cm up the wall
and climbs down 1.5 cm each
second. After how many seconds
will the ants be the same height
up the wall ?

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Can someone pls ! pls answer all. no explanation needed..

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?