Which one is greater or is it equal

9.8 and square root of 78

Blank × 10-3 is 2,000 times greater than 1.9 × 10-6. it is also blank times greater than 9.5 × 10-4.

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z