Joyce is training for the upcoming marathon and trains every morning at the local track (400 m). If she runs around the track 12 times, what is her displacement? (Remember to include the units)

Can some one me, i’ve been asking for so long

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression