Answer:
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Step-by-step explanation:
i did this 4 points
Its 30 you find the unit rate by 21÷7 which equals 3 then you multipy 3x10 which gives you 30
No I do not agree with (2,-4) I believe the solution is (-4,2)
Answer:
66,100 in all.
Step-by-step explanation:
Ok so basically the number by the X is your slope (m) and the other number is your y-intercept (b) so for example the first question your slope (m) 2/3 and your y-intercept (b) -2