Elma has $45. she gives 2/5 of her money to her sister. how much money did she give her sister?

Which math sentence can be used to determine if the triangle is a right triangle?

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.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?