Which expression is equivalent to - 13 + (-4) ?

Solve. -13 = - 7 + v A. -20 B. -6 C. 6 D. 20

If f (x) = 4x^2+1 and g (x) = x^2-5 find (f-g) (x) A. 3x^2+6 B. 3x^2-4 C. 5x^2-4 D. 5x^2-6

Erica and Matt earn the same amount of money each month. Erica saves 3/10 of her earnings. Matt's saves 3/6 of his earnings. Which explanation correctly tells who saves more?

Why does it take 4 copies of 1 tenth to equal 2 copies of 1 fifth?

A particular type of bacteria grows at a rate of 21 % per day. If my hyena got infected with 2300 bacterium when his leg was cut by barbed wire, how many bacterium will be present in 10 days when I finally decide I need to take the hyena to the

The figure is composed of 2 congruent triangles and a rhombus.

Carla has a credit card that uses the average daily balance method. For the first 15 days of a 31-day billing cycle, her balance was $2560, but then she paid off her entire balance and didn't make any new purchases.

The expression x^2 + x + b is a perfect square trinomial. What is the value of b?

Solve the equation by factoring: 3x^2 + 22x - 16 = 0

If a 10 foot piece of electrical tape has 0.037 feet cut from it, then what is the new length of the tape?