Hal wants to buy a cake for his friend's birthday. When he went to the bakery, he found that price was marked down by 10%. If Hal pays $30, what was the original price? Help plzz

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

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

An equation where variables are used to represent known values—function notation true or false