1. 25 + 3u = 2u
-3u = -3u
25 = -u
-25=u
2. 14x - 8 = 6x
8x - 8 = 0
8x = 8
x=1
3. 8.5 - 3z = -8z
8.5 = -5z
-1.7 = z
4. 9m + 14 = 2m
7m + 14 = 0
7m = -14
m = -2
Answer:
136 sq units
Step-by-step explanation:
area = length * width
a = 17 * 8
a = 136 sq units
Answer:
There are 209 4-digit nu numbers with 17 as consecutive digits
Step-by-step explanation:
17xx xx represent 00 through 99, a set of {100} members.
y17z. y can be 1 through 9 {9}. z can be 0 thru 9 {10}
ww17 which includes 10 thru 99, a set of {90}
Add 100+90+10+9 to get 209 possible combinations.
