If to congruent angels form a supplementary they, are acute angels( true or false)?

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

How many square centimeters of wrapping paper will be used to wrap the shoe box?