Tìm x biết 5x×(x-2022)-x+2022=0

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

How many degrees are there in the central angles in a circle