Can someone tell me what sinA would equal

Rachel is baking a cake but does not know if she wants to make a round or a square cake which cake has a larger area a round 8 inch cake or a square 9 inch cake

Find the quotient 9(cos135+isin135)/7(cos10+isin10)

Miguel is setting up his new classroom with total floor space of 1,600 ft. the classroom must contain two square tables that are 4 ft by 4 ft, a 2 ft walkway between desks not against the wall or each other, a 2 ft space between the chalkboard and the first row of desks, and miguel's desk, which is 10 ft by 4 ft and is always on the opposite side of the classroom from the chalkboard. click here to see the current configuration of the classroom with desk space for 28 students. miguel needs to redesign the classroom to accommodate 8 more students, and he wants to let the students work in groups. should he place the desks in equal groups of 2, 3, or 4 desks pushed together? explain he should move the desks to groups of because