What best explains whether a triangle with side lenghts 5 cm, 13 cm, and 12 cm is a right triangle?

Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles

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.

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)