Answer:
9)x=11 y=3
11)x=18 y=5
Step-by-step explanation:
9) 9x+25=13x+19 13x-19+17y+5=180
9x+44=13x 129+17y=180
44=4x 17y=51
11=x y=3
11) 49+3x=7x-23 3x=11y-1
Distribute 1st or subtract 90 and 3 first and then multiply by 15
Answer:
-10 3
-9 4
-8 5
-3 10
Step-by-step explanation:
.........
Answer:
the first one is D, the second one is B i think :)
Step-by-step explanation:
Answer:
Average rate of change 
Step-by-step explanation:
Given function is
and we need to find average rate of change of the function from
.
Average rate of change 
So,

Average rate of change

Hence, average rate of change of the function
over the intervel
is
.