3. Myra's fish tank has three types of fish. There are 7 goldfish, 5 guppies, and 6 neon tetras. What does the ratio 5:18 represent in this situation?​

What is the factored form of the following expressions? d^2 – 13d + 36

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

Select all of the following expressions that are equal to 2.5.