Step-by-step explanation:
3x + 5y = 21 * (-4) •••••• -12x -20y = -84 (a)
4x - 2y = -24 * (3) •••••• 12x -6y = -72 (b)
(a) + (b)
-26y = -156
y = 6
3x + 5 * 6 = 21
3x = 21 - 30
3x = -9
x = -3
B. Reflect the graph about the y-axis and translate one unit up
Standard form essentially means to not have any symbols such as "x","÷", or "power".
The equation would be written as:
(64 x 10) ^4
Then
(640) ^ 4
Which equals: <span>167772160000</span>
The answer would be 12yards of fishing line :)
Step-by-step explanation:
Below is an attachment containing the solution.