Can someone help !!!

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

Which expression gives the area of the triangle shown below

Why did the ice arena get so hot after the big game (this is math related google it to find the paper