Ineed with 10d when it says segment st is parallel to segment rk i don't know the reasoning for this. you!

Acircle has a circumference of 28.36 units what is the diameter of the circle

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4