Answer:

Step-by-step explanation:
Remember that in order to find the slope of two points you need to substitute the variables and subtract making sure you keep the 2's and the 1's together.

Plugin your numbers:




Hope this helps.
3 (3 + x) = 5x - 25
9 + 3x = 5x - 25
Add 25 to each side
34 + 3x = 5x
Subtract 3x from each side
34 = 2x
Divide each side by 2
17 = x
Let P = number of problems solved per day.
P = 448/28
P = 16
Lisa solved 16 problems per day.
Answer:
True
Step-by-step explanation:
In similarity triangles, corresponding angles are congruent and corresponding sides are in proportion.
Answer:
Step-by-step explanation:
21/7=3
5*3=15 width
3*3=9 height