Agnes has 23 collectible stones, all of which are labradorite crystals or galena crystals. Labradorite crystals are worth 20 each, while galena crystals are worth $13 each. Agnes earns $439 by selling her entire collection. How many tones of each type did she sell?

Definition: es. this is a disadvantage or weak point that makes someone or something less effective.

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

Which of these triangle pairs can be mapped to each other using two reflections?