Sam and Terry each have marbles Sam has five more than twice number that Terry has If Terry has 8 marbles how many does Sam have?

The value of 3 (x+3) ^2 when x=-4

A carpenter bought 540 board feet of pine, 854 board feet of oak, and 58 board feet of birch lumber. How many board feet did she buy in all?

Marie used one bag of flour. She baked two loaves of bread. Each loaf required 2 1/4 cups of flour. Then she used the remaining 6 1/2 cups of flour to make muffins. How much flour was in the bag to begin with

Find the gcf of 18 and 17

The radioactive isotope 14C has a half-life of approximately 5715 years. A piece of ancient charcoal contains only 75% as much of the radioactive carbon as a piece of modern charcoal. How long ago was the tree burned to make the ancient charcoal

Assume running consumes 108 calories per mile. If you run 11 - minute mile what is your average power output, in watts, during a 2-hour run?

You find that your watch gain 2 minutes in 6 hours. how will it gain in 3 days?

A car traveled 27.5 miles in 30 minutes how many miles per hour was it travel

In a marketing class of 60 students, the mean and the standard deviation of scores was 70 and 5, respectively. Use Chebyshev's theorem to determine the number of students who scored less than 60 or more than 80.

A store sells a television for $1000. Customers can choose to receive a 10% discount and pay it off with a loan at a simple interest rate of 4%, or they can choose to pay full price and pay it off in 3 years with no interest.