How to convert vertext form to standard form y=4(x-2)^2-1

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Which pair of numbers is relatively prime? a. 105 and 128 b. 130 and 273 c. 205 and 350 d. 273 and 333