PLEASE ANSWER ASAP Find the mean absolute deviation (MAD) of the data in the pictograph below.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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.

Abcd is a square. what is the measure of angle bac