The pass marks pf a mathematics test is 75% what percentage is the fail marks?

What is not true about kl and mn? what is mn? (show )

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