Dory bikes 11 times as many miles as karly. together they biked a total of 156 miles. how many miles did dory bike

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

Can someone me with my hwplz(only the circled ones)

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check