<span>x² + y² + 14x − 4y − 28 = 0
x² +14x +y² - 4y =28
x²+2*7x +7² -7² + y² - 2*2y +2² - 2² = 28
(x+7)² + (y-2)² -7²-2² =28
</span>(x+7)² + (y-2)²=28+49+4
(x+7)² + (y-2)² =81 is the answer.
Answer:
$13.50
Step-by-step explanation:
The total is $103.50.
Answer:
0.2692307692
Step-by-step explanation:
14/52 = 0.2692307692
The first one is 15 mornings
<span>It is: 7 to the power of 5 = 16807</span>
