A car starting from rest accelerates uniformly at 5.0 m/s2. how much time elapses for it to reach a speed of 32 m/s?​

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?