Pat wants to create s rectangular playpen for her dogs in her backyard. and estimates the dogs will need 600 square feet. she also wants the length of the playpen to be 30 feet longer than the width, so they have room to run around. what dimensions should the playpen be?

I’m really confused and need your assist me with this question i’ve never been taught

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.