Which expressions are polynomials? select each correct answer. −x^2+5x −7x^2+53x x^2+5x^1/5 6x² + 5x

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

Ill mark the brainliest if you me with the these three questions 7,8,9

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.