What is the slope of any line that is perpendicular to the line y = 18?

Select one:

A. Slope = 0

B. Slope = 1

C. Slope = - 1

D. Slope is undefined

The two diagonals of a rhombus are 22 inches long and 5 inches long. What is the area of the rhombus?

The cost of admission to a history museum is $3.25 per person over the age of 3 kids 3 and under get in for free. If the total cost of admission for the Johnson twins, is $19.50, how many family members are over 3 yea twins, is $19.50.

Lawrence's father gave him 200 baseball cards. Each week, Lawrence purchase 25 baseball cards to add to his collection.

102, 119, 103, 114, 106, x; mean 105

9. A car has an average speed of 80 km/h for one hour, then an average speed of 90.0 km/h for two hours during a three-hour trip. What was the average speed for the three hour trip?

Which shows one way to determine the factors of y3 - 9x2 + 5x - 45 by grouping

What is the solution to the inequality below? <9 A. No solutions B. x < 81 C. x < 3 D. 0 x < 81

The half-life of a radioactive material is 3175 years. If there is 400 grams of the radioactive material today, when would there be 25 grams still radioactive?

If two lines are the same slope and diffrent y-intercepts then the lines are

The scientific notation 4.87 * 10^-3 has what value?