The sum of the measures of angle Rand S is 90% • The measure of angle Ris (2x+10)
• The measure of angle S is 30"
What is the value of x?

Rose drew a regression line for this paired data set. her line passed through (1, 2) and (3, 5) . what is the equation of rose's regression line?

How do you determine whether a relationship represented as as graph is linear or nonlinear

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36