Answer:
-11/18
Step-by-step explanation:
1. find the common denominator. this should be 18
2. multiply 1 by 3 and -7 by 2
3. you should now have a fraction that says 3/18-14/18
4. now subtract these two fractions.
5. your answer should be -11/8
Answer:
a
Step-by-step explanation:
Diagonal of the rectangular prism=√(l²+w²+h²)
√(l²+w²+h²)=√(100+25+64)=√189 cm
Answer: 40 cm
Step-by-step explanation:
x^2=100
√x=10
10+10+10+10=40
