A rectangle is 10 cm by 13 centimeters. If each dimension is increased by the same amount, find the dimensions of a new rectangle whose area is 50 square centimeters more than the original rectangle.

Which of the following is true for the relation f(x)=2x^2+1

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes. she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?