The measure of the angle formed by two intersecting perpendicular lines is 90°.

A. true

B. false

If A and B are dependent events, which of these conditions must be true? P (A and B) = P (A) + P (B) P (A and B) = P (B) P (A) P (B|A) = P (B) P (A|B) = P (A) P (B|A) P (B)

What's 2+2 this is just to see if someone will answer

The perimeter of a right triangle is 60 cm. Side A is 2cm less than half Side B. Side C is 2 cm longer than Side B. Find the lengths of the three sides.

A rectangle has vertices (8, 6), (4, 6), (8,?4), and (4,?4). What are the coordinates after dilating from the origin by a scale factor of 1.5?

What are two expressions that equal 19

How is 5/8 equivalent to 0.625

A random sample of 45 students took an SAT preparation course prior to taking the SAT. The sample mean of their quantitative SAT scores was 575 with a s. d. of 90, and the sample mean of their verbal SAT scores was 530 with a s. d. of 110.

Luis created the graph below to show the temperature from 8:00 a. m. (8 hours after midnight) until 8:00 pm Which statements are true about the temperatures Luis recorded on the graph? Check all that apply.

Approximately how many degrees are in the measure of an interior angle of a regular eight sided polygon?

4 5/2 in simplest form