To answer this, we need to find the average/mean, which is 27+3+2+25+5, witch gives a total of 62. then we need to divide it by the number of numbers, which there are 5. The answer is 12.5, which is the mean.<span />
Answer:
8/45
Step-by-step explanation:
4/9 ÷5/2
Copy dot flip
4/9 * 2/5
Multiply the numerators
8
Multiply the denominators
45
Put the numerator over the denominator
8 /45
True because just plug in (1,3) for x and y and solve it out.
Plugging it in gives you 2(1)-3(3)=-7 which simplifies to 2-9=-7, which is true.