Which line corresponds to y=2x+5?

*please see picture*
*serious answers only*

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?