Which of the equations below could be the equation of this parabola? 10 -
-10
(0,0)
Vertex
10
B.
A. x = 1/2
y=-x
x==1 / ²
O D. yo 1/2+²
C. X

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.