Answer:
D) 30
Step-by-step explanation:
3(a + 4b)-6 = 3 ( 4 + 4*2) - 6
= 3( 4+8 ) - 6
= 3*12 - 6
= 36 - 6 =30
Answer:
i think {x,y} = {-5,-2}
Step-by-step explanation:
Answer:
0.3333
Step-by-step explanation
it might be the answer. hope it helped :)
Answer:
Step-by-step explanation:
6x+3x= -2
9x= -2
x= -2/9
The mean is the average.
Let A = mean
A = (18 + 14 + 9 + 6 + 3)/5
A = 50/5
A = 10
Ellie's mean time is 10 seconds.
