Which expression is equivalent to the given expression?

−(1/2y+1/4)

A. −14(1+2y)

B. 1/4(2y−1)

C. −2(1/4y−1/8)

D. 2(1/8−1/4y)

On a piece of paper graph y < 3x

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3