<span>284
Hope this helps. c:</span>
<span>3x+5y=4...(1)
2x-y=-7...(2)
by(2) : y = 2x+7
subsct in (1) :
3x +5(2x+7) = 4
13x = - 31
x = -31/13
y = 2(-31/13)+7 = 29/13</span>
Answer:
Step-by-step explanation:
we know that
The volume of a rectangular prism is equal to
In this problem we have
substitute
Applying property of exponents
Answer:
Sara is now 4, will be 8 in 4 years. Ralph is now 12, will be 16 in 4 years.
Answer:
x= -10
Step-by-step explanation:.......