When u add it stays the same but for subtraction u change the sign.
Example: 2- (-5)=7
Answer:
yes
Step-by-step explanation:
Any number that can be written in p/q from is a rational number
Answer and Step-by-step explanation:
Decreased by 20%
B - 45 because 27 divided by 6 is 4.5 and then 10x4.5=44
<em>Answer:</em>
<em>In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. To find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.</em>
<em></em>
