Jason is saving up to buy a digital camera that costs $490. so far, he saved $175. he would like to buy the camera 3 weeks from now. what is the equation used to represent how much he must save every week to have enough money to purchase the camera?

What is the greatest common factor of 8 and 36

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

Can someone pls ! pls answer all. no explanation needed..