1) Example: X - (-7)= 5 *Simplify both negative signs (-) to make a positive (+) * x + 7 = 5
-7 -7
X= -2
Check: (-2) +7 = 5
5 = 5
TRUE
2)
X - (- 4) = 12
1

Can you divide 25 into 4 equal groups? explain why or why not.

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?

Choose the right classification of 5x + 3x^4 - 7x^3 + 10 by number terms and he degree 1. third degree polynomial 2. fourth degree polynomial 3. sixth degree polynomial 4. first degree binomial