Answer:
x = ± 1
Step-by-step explanation:
Given
3(x² - 4) + 7 = - 2 ( subtract 7 from both sides )
3(x² - 4) = - 9 ( divide both sides by 3 )
x² - 4 = - 3 ( add 4 to both sides )
x² = 1 ( take the square root of both sides )
x² = ± 
= ± 1
Thus
x = - 1, x = 1
7 pens and 20 pencils because 28 divided by 4 = 7 and 80 divided by 4 = 20
Answer:
0
Step-by-step explanation:
2nd avenue is a horizontal line, parallel to the x-axis.
The slope of a horizontal line is zero.
Answer: slope = 0
Answer: 3m
Step-by-step explanation:
You're multiply 3 by m. Since this isn't possible unless you have m's value, you must write the expression as 3m.
Answer:
0.89h or 53 minutes
Step-by-step explanation:
2m/h / 2.25m
= 0.89h
