HELP Lamp X lights up for 3 seconds every 20 seconds. Lamp Y lights up for 6 seconds every 25 seconds. If both lamps just go out at the same time, when will they both light up again?

Which statement justifies why angle ebc measures 90?

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.

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?