Paul needs 40 pounds of 48% silver alloy to finish a collection of jewelry. how many pounds each of 45% silver alloy and 60% silver alloy should he melt together to obtain the alloy he needs

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

How can i differentiate this equation?