Answer:
the price for one pretzel was $1.75
Step-by-step explanation:
d for drinks
p for pretzel
3d + 3p = 9
3d = 9 -3p
d = 3 - p
replace d = 3 - 9 into 4d + 2p = 8.5
4d + 2p = 8.5
4(3 - p) + 2p = 8.5
12 - 4p + 2p = 8.5
-2p = 8.5 - 12
-2p = -3.5
p = 1.75
there are<em><u> 28.3495 grams in one single ounce </u></em>
//hope this helps have a nice day//
Equation of a circle is given as :
Take the derivative of the above with respect to x
The equation of the tangent is given by :
Slope=M=y2-y1/X2-X1=
-1 -2 /4-0=
-3/4 =
-0.75