Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. is parallel to , and is perpendicular to . The number of 90° angles formed by the intersections of and the two parallel lines and is .

The number of possible solutions of a polynomial can be found by looking

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

What is sin 7x/4 ? i need on this urgent trig