Hi please help i’ll give brainliest please

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

Adeposit of 5500 at 6% for 3 years equals

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.