Solve the system of equations using the linear combination method. {9x+5y=35 2x+5y=0 enter your answers in the boxes.

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?