Which missing item would complete this alpha decay reaction? 228
88 Ra + He
OA.
224
96
Rn
B.
232
Th
90
230
92
OC.
OD.
235 u
92

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z