What is the solution to the square root of 4 plus the square root of 5?

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

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Which value is not a solution of 8x^3 – 1 = 0