11. a certain watch costs $100, and a certain
pearl necklace costs $300. if the cost of the
watch increases by 5% and the cost of the
pearl necklace decreases by 10%, what will be
the sum of their new costs?
a. $375
b. $385
c. $395
d. $405

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Percent increase and decrease. original number: 45 new number: 18

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.