If a line is perpendicular to a line segment, what angle do they form at their

intersection?

A. 90°

B. 45°

C. 180°

D. 09

Measures of central angles and measures of inscribed angles

In science experiments, the temperature of a substance is changed from 42 ºF to - 54ºF at an average rate of - 12 degrees per hour. Over how many hours does the change take place?

Amy has a box containing 6 white, 4 red, and 8 black marbles. She picks a marble randomly. It is red. The second time, she picks a white marble. In the third attempt, Amy picks a white marble again. Amy has not replaced the marbles she picked.

Determine the possible values of the given random variable and indicate as your answer whether the random variable is finite discrete, infinite discrete, or continuous. A 12-sided die is tossed 1020 times.

The price of gas last summer was $3.80 and this summer it is $1.90. What is the percent of decrease.

The 13th Term Of 2, 5, 8, 11

Evaluate the expression. 4!• 3! 12 30

Wyatt ate 1/12 of a banana. Shane ate 7/12 of a banana. How much more did Shane eat than Wyatt?

Compute the area of a triangle with sides: 10 x 10 x 16.

A number between 49 and 95 that is a multiple of , 3 , 6 and 7 .