How to write an equation of the line through the point (-2,1) that is perpendicular to the line 5x+9y=-9

You are making a blueprint of your bedroom and you plan to use a scale factor of 18 . the actual width of your room is 14 feet and the actual length of your room is 16 feet. determine the width and length of your room on the blueprint. on the blueprint, your room will have a width of feet and a length of feet.

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Secant be and cf intersect at point d inside a what is the measure of cde