Please help In Algebra, equations are math sentences that have an
value.
These unknown values are called
which stand for unknown
numbers that make the equation true.*
known, letters
unknown, variables

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?