Please help me Im really about to cry also can some help me with other questions

x = 25

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse x is equal to the sum of the squares on the other two sides, that is

x² = 20² + 15² = 400 + 225 = 625 ( take the square root of both sides )

x = = 25

25

Step-by-step explanation:

x= √20²+15²= √625= 25

yes the total will be same because in both of them the expression.is rearranged but their sign remains the same hence it hss just been shuffled

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b