Answer:
12
Step-by-step explanation:
15 - 3 = 12
1. 5a
The multiplication sign isn’t always used in algebra, you can put the two things being multiplied together
For example 8x or 2xy
Answer:
Step-by-step explanation:
Margin of error Percentage: A margin of error tells you how many percentage points your results will differ from the real population value. For example, a 90% confidence interval with a 3 percent margin of error means that your statistic will be within 3 percentage points of the real population value 90% of the time.
You need 9 grams of sodium chloride per 1 liter of water
or
1 teaspoon of sodium chloride per cup of water (1 cup = 8 Fluid ounces)