Triangle RST with vertices R(2, 3) , S(5, 4), and T(4, 8). It undergoes a rotation of 90° counterclockwise and then a dilation with a scale factor of 2. What is the new coordinate of the vertex S after both transformations?

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.