Solve for all values of x by factoring. x^2-x-18= -4x

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

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

Predict which statements are true about the intervals of the continuous function. check all that apply