How do i solve this equation? 3(y-5)+2=5

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

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

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?