So, XZ= 7x+1 and PZ= 4x-1. To figure out XP we have to subtract those two.
(7x+1)-(4x-1)
3x-2
3(8)-2
24-2
22
XP=22
Answer: n=451
8*42+3*59-62=n
336+177-62=n
451=n
n=451
Following expressions will have negative product

Following expressions will have positive product

Further explanation:
We will see at each expression one by one
First expression is:

In the given expression one term is positive and one term is negative. The product of negative and positive terms is negative.
Second Expression is:

Both terms are negative and the product of two negative terms is positive.
Third Expression is:

The expression has one positive and one negative term so the product will be negative
Fourth Expression is:

Both terms are positive so the product will also be positive
Keywords: Product, Expressions
Learn more about expressions at:
#LearnwithBrainly
Step-by-step explanation:
DE : JK
= 21 : 7
= 1 : 3
<h3>#CMIIW</h3>
Answer:
missing side = 50
Step-by-step explanation:
using Pythagoras theorem,
30² + 40² = (missing side)²
900 + 1600 = (missing side)²
(missing side)² = 2500
missing side = √2500
missing side = 50