Answer:
12/5
Step-by-step explanation:
His fish tank is 4 1/2 gallons of water. It takes him 1 7/8 minutes to fill it. So you need to find out how many gallons you can pour in 1 minute. You can eliminate A because he is filling more than 1 gallon per minute. You can divide 4.5 (4 1/2) by 1.875 (1 7/8). You get 2.4. Convert it back to a fraction, and you get 2 4/10. Simplify the fraction 2/5. Now convert it to an improper fraction. 12/5.
Answer:
it is 2 bcz if we see that in the 12 , 18 and 56 the two is the highest common factor
The equation of the line in slope - intercept form is 
Explain what the slope-intercept form is?
Simply put, the slope-intercept form is the way to write a line's equation so that the y-intercept (where the line crosses the vertical y-axis) and slope (steepness) are instantly visible. This expression is sometimes referred to as y = mx + b form
Given: x = -4 , y = 2 and b = -5
y = mx + b
2 = m (-4) + (-5)
m = 
By putting the value of m we get equation of line

Learn more:
What is the slope-intercept form of the linear equation 4x + 2y = 24????
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Answer:
Angle b is 90 degrees. If angle a is 42 degrees and it is a right triangle then angle b is 90 degrees