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

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.