Astudent has gotten the following grades on his tests. what is the minimum grade he must get on the last test in order to have an average of 81? 71, 96, 90, 73 the minimum grade he must get on the last test in order to have an average of 81 is ? . (simplify your answer.)

Does anyone know of a quizlet or something for edmentrum /plato algebra 1

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.

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x,and the distance in miles, y, that he travels.