What is the solution for r in the equation? 0.4r - 0.13 - 0.7r = 3r - 5.74

you have a rack that holds 30 CDs you can fit 7 more CD's on the right before the rack is full how many CDs are in the rack

How to write 337,060 in expanded form using exponents?

Manny has 5 apples and 4 oranges. What is the ratio of apples to oranges?

Peter's taxable income is $27,314. He is filing as single, and he has already paid $3005 in federal taxes. What will he receive or pay after he figures his taxes for the year?

Alexander and Matthew go to the movie theater and purchase refreshments for their friends. Alexander spends a total of $60.00 on 2 drinks and 9 bags of popcorn. Matthew spends a total of $60.00 on 10 drinks and 5 bags of popcorn.

What is the perfect square factor of 63?

Suppose that a fair, 6 sided die is rolled. Let X indicate the event that an even number is rolled (in other words, X = 1 if an even number is rolled and X = 0 otherwise).

Y minus 3x equals 19

4x-3y = - 9 3x+2y = - 11 Solve the system of equations.

Write the following sets in set-builder notation: (a) The set of all humans whose first name is Tanya or Nelson.