I am having a very hard time remembering Negative and Positive numbers adding, subtracting, multiplying, and dividing them. Here are some examples :
-4+(-25)
-9-(-3)
4÷ - ( -8 )
(-15) (-7)

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

How do you determine whether a relationship represented as as graph is linear or nonlinear

What is the factored form of the following expressions? d^2 – 13d + 36