What is the y-intercept of the graph below? A. (0, 4) B. (0, -2) C. (0,2) D. (0,4)

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry