At 3 am the temperature was -4°C by midday the temperature had gone up by 11°C from Midday to midnight the temperature went down by 9°C work out the temperature by midnight?

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?

What is always true when two whole numbers are subtracted?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction