Find the value of n.
p^3 x q^2(p^4 x q^n x r^3/r^-4)=p^7q^5r^7

Suppose a man is heterozygous for heterochromia, an autosomal dominant disorder which causes two different‑colored eyes in an individual, produced 25‑offspring with his normal‑eyed wife. of their children, 15 were heterochromatic and 10 were‑normal. calculate the chi‑square value for this observation.

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Consider the following function. which of the following graphs corresponds to the given function? w. x. y. z. a. z b. y c. x d.