Answer:
z = 1
Step-by-step explanation:
15z + 35 = 50
15z = 50 - 35
15z = 15
z = 15/15
z = 1
The bottom one is 90
And the top one is 100
V=190
Answer:

Step-by-step explanation:
Given,
Length of a rectangle ( l ) = 6x - 2
Width of a rectangle ( w ) = x - 1
Perimeter of a rectangle ( P ) = ?
<u>Finding</u><u> </u><u>the</u><u> </u><u>express</u><u>ions</u><u> </u><u>that</u><u> </u><u>represents</u><u> </u><u>the</u><u> </u><u>perime</u><u>ter</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>rectangle</u>

⇒
Collect like terms
⇒
Calculate
⇒
Distribute 2 through the parentheses
⇒
Hope I helped!
Best regards!!
0.625
fraction = 5/8
percent = 62.5%