What is the value of 5 to the power of 4 times 5 to the power minus 6

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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

Which of the following circles have their centers in the third quadrant?