Write each subtraction equation as an addition equation. 1. a -9= 6
2. p - 20 = -30
3. 2 - (-12) = 15
4. X – (-7) = -10

What two consecutive odd integers have a sum of -28

Suppose a triangle has two sides of length 32 and 35, and that the angle between these two sides is 120°. which equation should you solve to find the length of the third side of the triangle?

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?