1. 1x34 2.4x67 me on this i give 99 pts 3.56+45= x7

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

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota