Type the correct answer in each box. Use numerals instead of words. Consider this expression.
-4x^2 + 2x – 5(1 + x)
What expression is equivalent to the given expression?

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

Five infinity stones cost $16.80. what is the price per infinity stone ?

Maria heard on the radio that the high temperature that day would be to determine the temperature in degrees celsius, she used the formula , where c is the temperature in degrees celsius and f is the temperature in degrees fahrenheit.