Ian's science book has 20 fewer pages than his math book. ian's science book has 250 pages. which equation can be used to calculate how many pages ian's math book has? let the variable p stand for the number of pages in the math book. a. 250 – 20 = p b. 250 = p + 20 c. 20 – p = 250 d. 250 = p – 20

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

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?