Given △RST ~ △RQP. What is the value of x?

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Which statements about these triangles is true

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.