CAN SOMEONE PLEASE HELP YOU WILL BE MARKED AS THE BRAINLIEST AND AWARDED LOTS OF POINTS AND 5 STARS WITH A THANKS

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers