please help me solve this question ✋. a scientist used 3 gallons of liquid for every 7 hours he works. he uses ___ of a gallon each hour he works

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.

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

Find the midpoint m of z1=(8+5i) and z2=(12+3i)