5x+2-2(x-1)=3x+4 (i be helppp mm)

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.