June is working on an addition problem and starts with 17,985. after she adds she still has 17,985. which property of addition did june use? how do u know?me as fast as possible im doing this right now

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?

An architect builds a model of a park in the shape of a rectangle. the model is 40.64 centimeters long and 66.04 centimeters wide. one inch equals 2.54 centimeters. use the ratio table to find the ratio of the length to the sum of the length and width in inches and in simplest form. length 40.64 width 66.04 a. 8: 21 b. 13: 21 c. 21: 13 d. 21: 8