Write the sentence as an inequality. a number b is less than or equal to -4 or greater than 0.​

Asphere has a diameter of 10 in. what is the volume of the sphere?

If the discriminant if a quadratic equation is 4 which statement describes the roots?

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