There were 382 chairs in the music hall. write a number greater than 382

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?