Hats and mittens are on sale at the store! One woman was able to buy 6 hats and 3 pairs of mittens for $30. Another woman purchased 3 pairs of mittens and 2 hats for $18. Find the price of one hat (x) and one pair of mittens (y).

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

What is the interquartile range (iqr) of the data set represented by this box plot?

The temperature of a chemical solution is originally 21 ? c . a chemist heats the solution at a constant rate, and the temperature of the solution 75 ? c after 1212 12 minutes of heating. the temperature, tt t , of the solution in ? c is a function of x , the heating time in minutes. write the function's formula.