M and N are two events P(M) = 0.70, P(N) = 0.50, P(M and N) = 0.40. Find the probability of P(M or N).

0.8

0.9

None of the above

0.7

1.2

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.