Which of the following algebraic expressions can be used to express the statement "one less than x squared?" 1 − x2
x2 − 1
1 − 2x
2x − 1

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition

If the probability of an event happening is 65% then the probability this event does not occur?