Use Cramer’s rule to solve the linear system
5x + 10y = 70
5x + 25z =270
10y + 25z=300

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

Identify the slope an intercept of the following linear equation y = 1/5x - 6 a. slope: 1/5; intercept: -6 b. slope: 5; intercept: -6 c. slope: -1/5; intercept: 6 d. slope: 1/5; intercept: 6