Answer:
7
Step-by-step explanation:
insert the numbers and divide
-4(-7)= 28
2^2= 4
28/4= 7
Step-by-step explanation:
A=2(wl+hl+hw)=2x(14x7+7x7+7x14)=490
Option B is the correct answer
Answer:
It's 74
Step-by-step explanation:
It will be positive 74 i.e, +74
2/5(10)+3(6)-6
4+18-6
22-6
16
i hope this helps!
Answer:
-1 1/6
Step-by-step explanation:

Convert the mixed numbers into improper fractions

Apply the rule: a + (-b) = a - b

The Least Common Multiplier of 6 and 3 is 6
Adjust the fractions on the LCM

Apply the Fraction Rule: 

Subtract the numbers

Apply the Fraction Rule: 

Convert improper fraction into a mixed number

Hope this Helps :)