Answer:
c
Step-by-step explanation:
Multiply the second equation by 2. The solution is x = 15, y = 9.
We use the formula: a^2 - b^2 = (a - b )(a + b);
<span>54^2 − 46^2 = (54 - 46)(54 + 46) = 8 x 100 = 800;</span>
Answer:
saturn
Step-by-step explanation:
it goes Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Answer:
(5,14)
Step-by-step explanation:
4x-6=2x+4 because I chose any of the y values
change of subjects ⬇️
4x-2x =4+6
2x=10
2x÷2 and 10÷2
⬆️ making x stand alone
x= 5
put x into any of the equation
y=2(5)+4
y= 10+4
y=14
