pls helpl!!

Select each polynomial that is a perfect square. (multiple choice)

x2−10x+25

9x2+30x+25

4x2+16x+36

4x2−16x+64

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Ican interpret and represent the remainder in division calculations sensibly for the context (eg 27.4 in calculating average height in cm: $27.44 if it represents an amount of money) solve the following problems. 15) the wildlife park charges $25.50 dollars per person to enter their park if the park made $15096 dollars today, how many people entered the park? 16) ms adams plus 2,230 other keen runners ran a marathon: between them they ran 94817.5km. how many km did each competitor run?

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?