Which of the following is a perfect square expressions ?

a. 16x b. 4p^6 c. 7x^2 d. x^3y^5


Which of ff. is a perfect cube ?

a. 8x b. 27x^2 c. 64x^6 d. 125x^4



what are the two numbers whose sum is 6 and whose product is -40?

a. 4 and 10 b. 4 and -10 c. -4 and 10 d. -4 and -10

Pakisagutan plss ​