Elaine bought a total of 15 shirts and pairs of pants. she bought 7 more shirts than pants. how many of each did she buy?

Which pair of angles are vertical angles? ∠1 and ∠4∠1 and ∠2∠2 and ∠4∠2 and ∠3more than one answer.

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?