Answer:
( 2, 1 )
Step-by-step explanation:
x remains the same and y coordinate changes signs
It's a geometric sequence.

It's the sum for term 4 through term 15.
80% is the same as 4/5, so 4/5 of the class= 20. That means that if there was a picture, 4 parts would be shaded, and 1 would not. 1/4 of 20 is 5, so 1 part= 5 people. 5 x 5 = 25. 25 is the answer. :)
Answer:
X is an acute angle, which means it is less than 90*, so it is probably 45*
Step-by-step explanation:
I was confused at first but then, I’m just like, I can solve this!
Answer:
The product of 21 and 18
Step-by-step explanation:
When you multiply the word is product
The product of 21 and 18