[y=4x] [3x-y=1] Substitutie

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

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

If sin(x) = 0 and cos(x) = 1, what is tan(x)?