Plz hurry it's
what is the reciprocal of 7?

7

1

1/7

−1/7

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)

Use the graph of the sine function y=2sinθ shown below

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10