A set of 15 numbers has a mean of 4. A second set of 25 numbers has a mean of 6. What is the mean of the combined set of the 40 numbers?

Arealtor is studying the graph above, which shows the expected value of properties in her area over the next 24 years. if t represents the number of years after 2014, in what year should the increase in property values start to slow down? a. 2008 b. 2018 c. 2022 d. 2030

Factors that determine climate can a- latitude, topography, huracan, ocean current b- sun, precipitation, winds, precipitation c- sun, ocean currents, latitude, topography, winds, precipitation d- latitude, topography, lighting, ocean current

Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)