Explain what it means to have 20% more of a given quantity.

20% by mass means 20 g of the NaOH is dissolved in 100 g of solution. If that is what you mean.

Step-by-step explanation: What is the meaning of 20% mass by volume solution?

20% mass by volume means 20 g of the NaOH is dissolved in 100 mL of the solution.

Depends on the concentration terms meaning and values also changes.

i think it would be 43 movies that would have to be watched.

step-by-step explanation:

think about it. for the second plan, every month is 8 dollars. 8 x 12= 96. so thats the number for the second plan. now for the first plan, its annual meaning you have to pay 10 dollars every year. so now you have to get an equivalent amount of 86 since 96-10=86. 86 divided by 2 since every movie costs 2$ then you would have to watch 43 movies a year to get the same as the second plan. i really hoped this . have a wonderful day as well!

the answer for this question is : 360°

step-by-step explanation:

we have been given a triangle   we need to tell which one of these is a triangle below to map onto itself.

360° rotation is the complete rotation which eventually leads to the same figure which is given.

the correct will be, that is 360° that will cause the triangle below to map onto itself.