Step-by-step explanation:

Mg required per pound = 249/153 = 1.63mg
Therefore medicine required= 102 *1.63= 166.26g
Answer:
(7,-3)
Step-by-step explanation:
y = -3
substitute in the first equation
3x - y^2 = 12
3x - (-3)^2 = 12
3x - 9 = 12
3x = 12 + 9
3x = 21
x = 7
coordinates of intersection (7,-3)
First you will divide;
200÷4=50
Then you multiply;
50×9=450
Last you add;
2000+450=2450
A) the number of the cantaloupes sold at Central varied less than did the number sold at North.
Because in Central it is 45 and 4.1 in sales of MAD and It is 47 5.7 in North
North>Central>South