Lauren devoted two fifths of her study time to math, three twentieth's to spanish, one third to biology, and remaining 35 minutes to English. How much time did Lauren spend studying Spanish that evening?

How to simply and write the answer n a whole number

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

Let x = a + bi and y = c + di and z = f + gi. which statements are true?