Cecil takes subway and work with 13 people, not counting himself. what is a estimate of the number of people in his office ride subway with him?

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4