Answer:
the scorce of the neww student is 72
Step-by-step explanation:
if you have a mean of 70 + 72 as the score then divide by 2 you get 71.
Answer:
x=-18
Step-by-step explanation:
Multiply 3 on both sides
2x=-36
divide by 2 on each side to get..
x=-18
Express in the form 1:n.
Give n as a decimal.10:12
Answer:
3
Step-by-step explanation:
Answer:
Slope = -3
Step-by-step explanation:
m = slope
m = (y2 - y1)/(x2 - x1)
Points: (0, 3) & (1, 0)
m = (0 - 3)(1 - 0)
m = -3/1
m = -3