Please Help:

Which of the following is a binomial?
A. 8y^3
B. a + b
C. 2x^5 + 8x + 10
D. 10x

Use the inverse of the function y=x^2-18x to find the unknown value [tex]y = \sqrt{bx + c \: + d} [/tex]

What is the missing constant term in the perfect square that starts with x^2 -20x

Asap its important using the information in the customer order, determine the length and width of the garden. enter the dimensions.length: feetwidth: feet