In a certain chemical, the ratio of zinc to copper is 4 to 9. A jar of the chemical contains 396 grams of copper. How many grams of zinc does it contain?

176 grams of zinc.

Step-by-step explanation:

4/9 = x/396 where x = the number of grams of zinc.

Cross multiply:

9x = 4*396

x = 4*396/9

x = 176 grams.

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

pls mark as brainliest

step-by-step explanation:

im not sure what the answer is