Choose the expression that is equivalent to a2  - b2  + 20b - 100a] (a-b-10)(a-b-10)b] (a-b-10)(a+b-10)c] (a-b+10)(a-b-10)d] (a-b+10)(a+b-10)

What is the volume of the sphere shown below with a radius of 3?

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

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.