Solve systems of equations

-x^2-4x+y=0

-x^2+9x+y+13=0

What is 139.47 rounded to the nearest tenth?

How to complete the equation of the line through (2,-2) and (4,1)

To finance her community college education, Sarah takes out a loan for $3400. After a year Sarah decides to pay off the interest, which is 5% of $3400. How much will she pay?

Explain why it is necessary to rename 41/4 if you subtract 3/4 from it and the 4 in 41/4 are 4 wholes

Find two polynomials that have a sum of 4

Rewrite each statement using symbols Fourteen more than six

In 1993, funding for a program increased by 0.79 billion dollars from the funding in 1992. In 1994, the increase was 0.49 billion dollars over the funding in 1993. For those three years the funding was 11.58 billion dollars.

An athletics coach states that the distribution of player run times (in seconds) for a 100-meter dash is normally distributed with a mean equal to 13.00 and a standard deviation equal to 0.2 seconds.

Change 3/11 to a decimal

Evaluate when x = 2, y = 7 and z = 6: 4 (x+y) - z A. 20 B. 10 C. 30 D. 25