Let's name the number 'n'. Now write an equation. 7*n +n^2 =12Now you can form a quadratic. n^2 +7n-12=0. Now you can use a myriad of methods to solve it. If you still need help, just message me.
Answer:
30
Step-by-step explanation:
21 + 9 = 30
37 to the nearest tenth is 40.
The measure of a right angle is 90 degrees
It’s B
Since 10^-6 means 6 0
