Answer:

Step-by-step explanation:
5x4+20x3-105x2
5x2( x^2 +4x -21)

Answer:
7 times
Step-by-step explanation:
$49/$7 each time = 7 times
Answer:

Step-by-step explanation:

Subtract 15 from both sides of the equation.


Answer:
Se attached for plots and here is position of the numbers:
a. Plot 13.58 on a number line on which the long
tick marks are whole numbers.
b. Plot 0.193 on a number line on which the long
tick marks are tenths.
c. Plot 26.9999 on a number line on which the
long tick marks are thousandths.
- 26.999 < 26.9999 < 27.000
<B = <E has to be congruent