Enter the value of x so that the expression (2.16 - 0.7) + (x + 3.4) is equivalent to -3.95 + 2.7.
А-6
B -1.8
C 1.8
D 6
Please help i don’t know what the answer is

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)?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.