What is the density of the marble?
a. 0.10 g/ml
b. 240 g/ml
c. 40 g/ml
d. 1.875 g/ml

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.