Element X decays radioactively with a half life of 14 minutes. If there are 490 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to
decay to 123 grams?
y= a(.5)

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Which equation represents the function on the graph?

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60