Using Cramer's Rule, what is the value of x in the solution to the system of linear equations below X+ 3y - 16
3x + y = 8

Measure of angles 31 (x+4) (3x+9) me

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

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?