To find the value of the following expression, hat operation should you do first? 20-(7+4)x5

Find the solution of system of equation y= x-4 y=4x+2

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

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.