The gcd(a, b) = 9, the lcm(a, b)=378. find the least possible value of a+b

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

The table below shows the angle measurements for triangle abc and triangle xyz. if triangle abc is similar to triangle xyz, what does angle z equal, in degrees?

Aline passes through the points (5,4) and (2.1). part a.) what is the slope of the line that passes through these points? show work. part b.) what is the equation of the line that passes through these points. show work. part c.) where does the line intercept on the x& y axis? show work