Answer:
a)
b)
c)
Step-by-step explanation:
We are given the following in the question:
1. Equivalent expression
Since all the terms are like terms, we can write,
2. Sum of given expression
3. Standard form of the expression
which is the required standard form of the given expression.
Her mistake is that she did the change in x over the change in y. It should be the change in y over the change in x. So: -2-3/-2-4
Answer:
127 degrees
Step-by-step explanation:
540 degrees is what the interior of a pentagon should add up to. So you do 540-156-72-98-87=127. The measure of the final interior angle is 127 degrees.
Answer:
4 13/16
Step-by-step explanation:
6 3/7 - 1 3/6 =
270/42 - 63/42 = 207/42 = 4 39/48 = 4 13/16
Answer:
2.5909090909
Step-by-step explanation:
