The price of dog leashes increased 5% and the quantity demanded of dog collars decreased 7%. calculate the cross-price elasticity of demand for dog collars. round your answer to the nearest hundredth. be sure to include a negative sign in your answer, if necessary.

Kevin and jenny, who are both working full-time, have three children all under the age of ten. the two youngest children, who are three and five years old, attended eastside pre-school for a total cost of $3,000. ervin, who is nine, attended big kid daycare after school at a cost of $2,000. jenny has earned income of $15,000 and kevin earns $14,000. what amount of childcare expenses should be used to determine the child and dependent care credit?