Acity known for its temperature extremes started the day at -5 degrees fahrenheit. the temperature increased by 78 degrees fahrenheit by midday, and then dropped 32 degrees by nightfall. a. what expression can you write to find the temperature at nightfall? b. what expression can you write to describe the overall change in temperature? c. what is the final temperature at nightfall? what is the overall change in temperature?

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.