Is the following definition of complementary reversible? if yes, write it as a true biconditional.

complementary angles are two angles whose sum measures to 90 degrees

a. this statement is not reversible
b. yes, if angles are complementary, than their sum measures to 90 degrees
c. yes, angles are complementary if (and only if) their sum measures to 90 degrees
d. yes, angles are complementary if their sum measures to 90 degrees

Acontractor needs 54 square feet of brick to construct a rectangular walkway. the length of the walkway is 15 feet more than the width. write an equation that could be used to determine the dimensions of the walkway. solve this equation to find the length and width, in feet, of the walkway.

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°

Will give brainliest plz hurry lexie surveyed 4 teenagers to find out approximately how many hours, per week, they read for fun, and how many siblings they have. brooke said she reads about 10 h a week for fun, and that she has 5 siblings. celia said she has 1 brother and 1 sister and reads for fun about 3 h each week. henry said he has 2 brothers and reads for fun about 30 min each week. jude said he doesn't read for fun and has 3 brothers and 3 sisters. use this information to complete the data table. express your answers as whole numbers or decimals. name hours of fun number of siblings brooke celia __ henry jude