Helene invested a total of $1000 in two simple-interest bank accounts. one account pair 5% annual interest; the other paid 10% annual interest? the total amount of interest she earned after 1 year was $90. find the total amount invested in each account

Find the solution of system of equation y= x-4 y=4x+2

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?