What is the sum of the polynomials?
11x2 – 5
+
x+4.

10x²9
11x^2-x-9
11x²+x-1
12x²-1

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

10 points? me . its important ‼️‼️

Solve the triangle. a = 21°, c = 105°, c = 5