The axis of symmetry for the graph of the function f(x) = -x2 + bx + 10 is x=6. What is the value of b?

Which of the following of the following sets of side lengths could not form a triangle?

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.

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11