Answer:
Perimeter of Triangle: 

Step-by-step explanation:
The perimeter is the sum of all of the sides of the triangle.
Hence, the perimeter 
Since the perimeter is 90,
.
Subtract 15 from both sides:


Divide both sides by 6:


Answer:
A liter is 1000 mL so half of 1000 = 500
500 mL is the answer!Step-by-step explanation:
12) the product of ⅛ and a number
also the quotient of a number and y
16). the quotient of the fourth power of a number and 9
Answer:
Step-by-step explanation:
28° into radians
28° = ( 28 *
)
Divide 28 and 180 by 4 we get
= (
)
Hope it helped :)