Joaquin works at a part-time at dell. Each day Monday through friday, Joaquin must report to work 30 minutes before noon. At what time Joaquin report to work on those days?

Can someone tell me if this is perpendicular? !

What is the measure of angle x? 37° 82° x°

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?