Answer:
-88
Step-by-step explanation:
If a=2, we can say that - would be -4.
Secondly, if a=2 and b=-6 we can assume that 4ab would become -48.
Finally, if b=-6 we can say that - would become -36.
Adding all of those up gives you -88, your answer.
Answer:
a rational expression is an expression that has a RATIO in it
look at the word "RATIO"nal
a ratio is just a fraction...
so your question is "how to simplify fractions"
lots of approaches, this is one of them...
PRIME FACTOR the numerator and denominator
90 = 2 * 3 * 3 * 5
135 = 3 * 3 * 3 * 5
= 2/3 (the two 3's cancel and the 5's cancel)
Step-by-step explanation:
Answer:
Q-22 (a) area of each face (square) = sxs
= 10 x 10
= 100 inches²
Total surface area = 6a²
= 6 x 10 x 10
= 600 inches²