Answer:
4. 3169
5. 60
Step-by-step explanation:
4. To evaluate the value, you must substitute the variable with it’s given value.
12 - 3m +(8m)^2 = 12 - 3 x -7 + ( 8 x -7)^2 = 12 +21 + 3136 = 3169.
5. Let the number be y.
130/100 x y = 78
13y/10 = 78
13y = 780
y = 60.
Hope this helps
