Marisa has started a company to manufacture earrings. She will make $1.00 profit on each pair of earrings sold, but expects 1 pair in 30 to be returned for repair, which will cost $45.00. Will she make a profit with her company? Calculate the expected value.

Can someone me do math because i am having a breakdown rn because i don’t get it

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.