Half of your baseball cards collection got wet and was ruined. You bought 19 cards to replace some that were lost. How many did you begin with if you now have 45

Eli bought 2/5 of a crate of fruit and Jared bought 1/10 less of the crate than eli. How much of the crate did they buy altogether?

Dan bought a new house with a backyard whose dimensions are 21.8 by 12 feet. The backyard has a triangular garden with an area of 34.56 square feet. Dan wants to cover the backyard with seeds so that the grass will grow.

Does a trapezoid have obtuse angles

An oceanographer is recording the depths, in meters below sea level, where he finds various specimens of sea slugs. The depths are 20, 13, 14, 25, 29, and 16. What is the range of depths where the sea slugs were found?

How to solve 8=n divided by 3

49.005 -7.157 show how you would work it out. Having trouble trying to explain it to my daughter with this common core math.

Round the number 2,787 to the nearest hundred

During a bike challenge writers have to collect various colored ribbons each 1/2 mile they collect the rent with each 1/8 mile they click the green ribbon and each 1/4 mile they collect the blue ribbon which colors of ribbon will be collected at the

If you are one of the first 100 people to join a new health club, you are charged a joining fee of $49. Otherwise, you are charged a joining fee of $149. The monthly membership cost is $38.75. a.

Simplify the expression by combining like terms. 15+12-5+4-7