Hi if y’all would like to help I would rlly appreciate it :) also +30 points if u can help me thanks!

Emily and her feiends qent to the park. they saw 15 robins and 9 blue jays. how many birds did they see? explain how you decided what number sentence to write.

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

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