Which of the following is an equation of the circle with a center at (-1,4) and a radius of 2√5 units? plss pahelp naman A. x²+ y²+2x-8y-3=0

B. x²+y²-2x-8y+3=0

C. x²+y²+2x+8y-3=0

D. x²+y²-2x+8y+3=0​

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .