PLEASE LOOK at the photo and help me on these 2 questions :(

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Write the expression as a single natural logarithm. 2 in a - 4 in y

Venita is sewing new curtains. the table below shows the relationship between the number of stitches in a row and the length ofthe row. sewingnumber of stitches length (cm)51 131532024306what is the relationship between the number of stitches and the length? othe number of stitches istimes the length. o. the number of stitches is 3 times the length.