Answer:
square roots are absolute values
Step-by-step explanation:
they cannot be any integer or negative number. they had to be an absolute value
Answer:
See attachment for answers
Step-by-step explanation:
Answer:
There are 76 students:
g + b = 76
girls is 13 more than twice the boys:
g = 2b + 13
replace g with 2b + 13 in 1st equation
2b+13+b = 76
3b + 13 = 76
3b = 63
b = 21 boys
g = 76-21 = 55 girls
Step-by-step explanation:
Answer: z=8
Step-by-step explanation: