The probability of an event occurring or its complement occurring is 100%

If there is a 30% chance of rain, then the complement would be 70% chance of it not raining.
True or false?

How can you solve an equation with a variable on both sides? complete the explanation. you can solve the equation by using *(blank)* operations to get the variable terms on one side of the equal sign and the constant terms on the *(blank)* side. then *(blank)* both sides by the coefficient of the resulting variable term.

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .

Find the missing dimension! need asap! tiny square is a =3025 in ²