Triangles abc and def have the following characteristics: ∠b and ∠e are right angles ∠a ≅ ∠d bc ≅ ef which congruence theorem can be used to prove △abc ≅ △def? a. aas b. asa c. hl d. sas(the answer is aas)

Linet passes through (4.5) and is perpendicular to the line shown on the condirate grid.what is the equation of line t in standard form?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

What expression is equivalent to (84+16)