The surface area of a sphere is 900 square inches. what is the radius of the sphere?
recall the formula sa= 4(3.14)r^2.
15 inches
18 inches
30 inches
60 inches

What expression is equivalent to 42x-56y

Describe how making an ‘and’ compound sentence effects your solution set

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem