Bromine, atomic number 35, belongs to Group 17. How many valence electrons does bromine have in its outermost shell? Refer to the periodic table.?

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Solve the triangle. a = 21°, c = 105°, c = 5

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?