Carly had x stuffed animals. ​ ​She gave 7 to her sister and then her aunt gave her 3 for her birthday. ​ ​Which of the following expressions could represent Carly and her stuffed animals? (this is algebra btw)

All per-unit concepts rely on ratios, meaning, to provide a type of measurement

Solve: 3x+y=6 4x-2y=18 show all work !

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.