3r - 8 = 7 + 8r (make rs on 1 side, numbers on other)
5r = -15(divide by 5 now)
r = -3 (<---Answer)
Hope this helped!
Answer:
The slope is -1
Step-by-step explanation:
Answer:
tn = 8n -7
Step-by-step explanation:
given : t2=9, t4=25
the formula is:
tn = t1 + (n-1) d
gonna find d first:
d = (25-9) /(4-2) = 16/2 = 8
and find tn1:
t1 = 9-8 = 1
so, tn = 1 + (n-1) (8) = 1 +8n -8
tn = 8n -7
Answer:
$22.4
Step-by-step explanation:
The cost of milk chocolate per pound = $12.80
= 7/4 x 12.80
= 7 x 3.2
= $22.4
Hope this helps.
Answer:
dude it's easy
Step-by-step explanation: