Black is dominant over white in the coat color of guinea pigs. Assume that a cross is made between a hybrid male black guinea pig (Bb) and a hybrid female black guinea pig (Bb). B = gene for black; b = gene for white.

What fraction of the guinea pigs have black coats?

A.1/4

B.1/2

C.3/4

D. all

30 in the diagram line e and made parallel to each other and line p and q are transversal. use properties of special angles formed by parallel lines and their transversals to find the missing angle measures. m< 3=65 m< 15=120 m< 7= m< 4= m< 6= m< 1= m< 16= m< 18= m< 21= m< 10= m< 11= m< 12=

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)