There are 7 more runners than walkers. If there are 11 walkers, how many runners are there?

A sporting goods store sells sets of golf clubs with steel shafts for $309. Sets of golf clubs with graphite shafts cost $489. Last month the store sold 11 sets of golf clubs for $4,299.

A beach shop pays $11.40 for each beach umbrella. The shop's percent of markup is 75%. Find the markup

2 angels are supplementary if the sum is 180 degrees. The larger angel measures 5 degrees more than 4 times the measure of a smaller angle. If x measure of the smaller angle and these two angels are supplementary. Find the measure of each angle.

40 - 5n = - 2 need explanation as well

How many minutes make one hour.? i have been wondering whether it is true that 60minutes nowadays is 1hour this is because we sometimes have long days and short nights or short days and long nights. How many minutes make one hour.

Tanya drove 312 hours and used 13 tank of gas. For how long could Tanya drive using 12 tank of gas? In simplest form.

What are you finding when you take the derivative of a function?

What's an example of a 12th degree trinomial

2x/3+3y/4=11/12, x/3+7y/18=1/2

What is the 10th term of the sequence 2, 8, 32, 128