Answer:
−3y2−8y−12
Step-by-step explanation:
Let's simplify step-by-step.
−5y2−9y−4−(−2y2−y+8)
Distribute the Negative Sign:
=−5y2−9y−4+−1(−2y2−y+8)
=−5y2+−9y+−4+−1(−2y2)+−1(−y)+(−1)(8)
=−5y2+−9y+−4+2y2+y+−8
Combine Like Terms:
=−5y2+−9y+−4+2y2+y+−8
=(−5y2+2y2)+(−9y+y)+(−4+−8)
=−3y2+−8y+−12
Answer:
12, 160, 380
Step-by-step explanation:
Answer:
Each question worth 5.
Step-by-step explanation:
Each question worth 5 Point because
5 x 20 = 100
Hence, 20 question each question worth 5 point.
If You get a 45% then you miss 11 question and only get 9 question correct..
9/20 x 100 = 45.
Answer:
Step-by-step explanation:
when a rotation of 180 ° happens, it switches the (x,y) coordinates from (x,y) to (-x,-y) .. that's alll... soo for M then, of (3,4) it switches to M ' = ( -3, -4) see?
Help with what? I am not sure what other question you asked that you need help on. What is the question?