SLOPE INTERCEPT FORM CALCULATOR WITH THREE POINTS

What is the product? a-3/15a × 5/a-3

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

Look at the figure xyz in the coordinate plane. find the perimeter of the figure rounded to the nearest tenth.