Answer to a1=6.8
a2= 0.5
mean is 6.78
i don’t know the rest sorry
Answer:

Step-by-step explanation:
Gradient



Equation of a line

- Sub one set of points into equation

Answer:
J. -13-18
Step-by-step explanation:
J will give the value -31
Answer:
320
Step-by-step explanation:
25 + 15 = 40 toys each
Toy makers x number of toys each = total toys carved
8 x 40 = 320 totals carved in all
Answer: 219 I beleive
Step-by-step explanation: 54(4)+(.750)4=219