Answer:
9 ÷ -1
Step-by-step explanation:
So all you do is calculate what is in brackets first thus:
6 + 3 = 9
4 - 5 = -1
So the expression becomes 9 ÷ -1
WHICH WHEN SOLVED IS -9
HOPE THIS HELPED
Im pretty sure the answer is d
Answer:
3/8
Step-by-step explanation:
Answer:
For 1 miles distance: 7/10 of a mile she runs and 3/10 she walks.
For 4 miles distance (4 times the previous distance) she will run:
4*(7/10) = 18/20 = 2.8 miles
and walk:
4*(3/10) = 12/10 = 1.2 miles.
Answer:
−b4+2b2+35
Step-by-step explanation:
b2+5)(−b2+7)
=(b2)(−b2)+(b2)(7)+(5)(−b2)+(5)(7)
=−b4+7b2−5b2+35