Simplify:(4x2 - 2x) - (-5x2 - 8x)

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

What is the sum of these mixed numbers 2 1/8 + 4 3/8

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