Solve the system of linear equations by substitution. 5x+2y=9 y-x= 8

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

The product of 3 and a number increased by 8 is 31

Alocal restaurant advertises that the mode cost of their most popular meals is $8. if the costs of their most popular meals are $7, $8, $8, $12, $13, $15, $17, $18, and $20, which word or phrase best describes this kind of advertising? accurate inaccurate accurate, but misleading inaccurate and misleading