An animal shelter has a ratio of dogs to cats that's 3: 2. if there are 30 cats at the shelter, how many dogs are there
a. 90
b. 15
c. 45
d. 20

Use the x-intercept method to find all real solutions of the equation. x^3-10x^2+27x-18=0

In the pendulum formula t=2pi. read the problem on the picture ! ; $; $; ! ; ! ; ! ; )$; ! ; ! ; ! ; $; $; $! ; ! ; ); $; $$

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours