3*(x+5)^(1/2)=-9
(x+5)^(1/2)=-3
x+5=9
x=4
3*(4+5)^(1/2)=-9
3*(9)^(1/2)=-9
3*3=-9
4 is an extraneous solution
Answer:
Step-by-step explanation:
Student 2 and student 1
It should be $84.50 because you have to add all the numbers up and divide it by how many numbers there are
A= 360
B= 2(12)²(7)/120= 2016/120=16.8