Which of the following lists correctly summarizes the main functions of proteins in the human body?
a. primary energy source, structural support, providing insulation, enzyme production, and signaling
b. hormone production, primary energy source, antibody development, and control of metabolic functions
c. providing insulation, powering movement, providing defense, and storage of genetic code
d. powering movement, structural support, hormone production, antibody and enzyme production

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below. the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

If bill bought a home for $210,000 and he sold it a year later for $120,000 his percentage of loss is