two circles of radius 10cm and 7cm have the same centre as shown. find the perimeter of the shaded region.

Identify the number as a rational or irrational. explain. 127

What is the gcf of 20c^3-5c^4+30c^6

Dimitri used a coupon that saved him 80 percent, or $6.87. he paid $34.35 for the items. dimitri used a coupon that saved him 80 percent, or $27.48. he paid $34.35 for the items. dimitri used a coupon that saved him 80 percent, or $6.87. the price of the items before the discount was $34.35.dimitri used a coupon that saved him 80 percent, or $27.48. the price of the items before the discount was $34.35.