Lisa is 4 years older than three times her brother sammy's age. let 's' represent sammy's age and 'l' represent lisa's age.

which expression represents lisa's age?

• l = s + 4

• l = 3s

• l = 3s + 4

• l = 4s + 3

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Negative 5 1/12 + negative 4 1/4 + 6 3/4

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