PLEASE HELP ME I AM NOT GOING TO PUT A TON OF POINTS ONLY BECAUSE PEOPLE TAKE THEM FOR GRANTED

I WILL GIVE BRAINLIEST FOR WHOEVER FOLLOWS DIRECTIONS BEST

PLEASE ANSWER THESE QUESTIONS JUST WITH THE ANSWER, NO WORK SHOWN

The parabola opens: y=√x-4 (principal square root) up down right left

Asap! i'm not good math and i'm lost.

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet