Need answer
the graph shows a demand curve

what changes does the graph show?

a. an increase in demand
b. a decrease in demand
c. a stable demand and an increase in price
d. a decrease in both the quantity demanded and the quantity supplied

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.

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie