Answer:
3x + 5x and 8x
3(x + 4) and 3x + 12
a + b + a and 2a + b
Step-by-step explanation:
Answer: D
Step-by-step explanation: The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
here m = and (a, b) = (- 7, 2), thus
y - 2 = (x + 7) ← in point- slope form
340/5=68
which means the train travels 68 miles per hour
68*8=544
x=544 miles
Answer:
6
x
^2
Step-by-step explanation: