Answer:
A.6 1/4
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
The mean is calculated as
mean =
=
= = 4.2 Kg → B
It should be x=-4 and y= -12
Answer:
a = -2
Step-by-step explanation:
The first equation can be rewritten in slope-intercept form:
5y = -10x +90
y = -2x +18
The value a=-2 will make the second line identical to the first.