Can someone please help me

The graph of a line gets what as the value of the slope gets bigger

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint

If the class creates a histogram of the data in table, how many students are in the range 12cm to 13.9 cm