These are made up elements but i’m not so sure on what to put for luster conductivity and malleability me out

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.