Let
x-------> the first number
y------> the second number
we know that


equation 

equation 
substitute equation 1 in equation 2

using a graph tool-----> to resolve the second order equation
see the attached figure
the solution is

Answer:
210
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
yes
Answer:
4
Step-by-step explanation:
If the shapes are similar we can use the side length proportion to find the value of x:
7/91 = x/52 cross multiply expressions
91x = 364 divide both sides by 91
x = 4
Answer:e=-10
Step-by-step explanation:
-2e-7=13
-2e=20
e=-10