Preston set his watch 15 seconds behind, and it falls behind another 10 seconds every day. how far behind is prestons watch if he last set it 4 days ago? write and solve and equation to find the answer

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.