X+5y=-11 (1)
2x-3y=17 (2)
2(1)-(2)
2x+10y-2x+3y=-22-17
13y=-39
y=-3
Sub y=-3 in (1)
x+5(-3)=-11
x=4
So x+y= -3+4 =1
A
sorry if its wrong looks reasonable
Q2. mean [ with 140 in place is] = 436/ 6 = 72 and 2/3rds.
mean [without 140 in place = 296/5 = 59.2
that means the mean would definitely decrease.
will get back to you in a moment.
Answer:
What strip?
Step-by-step explanation:
Answer:
(6,-5)
Step-by-step explanation:
As the point is 4 units to the left of X=2, the reflection must be 4 units to the right of X=2
