Which math expression represents the phrase? 4 times the sum of a number and 9
a. 4 · n + 9
b. 4 · (n · 9)
c. 4 + (n + 9)
d. 4 · (n + 9)

Gabriel paints flower pots to sell at a craft fair. she paints 2/5 of a flower pot teal, 1/4 of it yellow, and the rest of it white. what fraction of the pot is painted either teal or yellow?

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

We just started the introduction into circles and i have no idea how to do this.