A clothing store sells a customer 3 T-shirts and 4 pairs of shorts for $72.
Another customer buys 4 T-shirts and 1 pair of shorts for $44. How much is
one T-shirt (1), and one pair of shorts (s)?
O A. t= $3, s= $4
O B. t= $12, s = $8
O c. t= $8, s= $i2
O D. t= $4, s = $1

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.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

The total number of dental clinics total for the last 12 months was recorded