Jeff received a gift card worth $50 and plans to use it to download music and movies. Each song down-
load costs $1.25 and each movie costs $3. If Jeff
downloads 4 songs and 1 movie each month, which
of the following indicates the number of dollars, d,
left on Jeff's gift card after m months?
A) d=53-5m
B) d=50 - 2m
C) d=50 - 8m
D) d=45-3m

5. to comply with implementation requirements, shops must ensure that paint booth exhaust systems use efficient spray booth filters. a) 75% b) 100% c) 50% d) 98%

What is the leading cause if water scarcity throughout much of the world

Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.